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163157133936 = 243233437389
BaseRepresentation
bin1001011111110011101…
…1000100101001110000
3120121010200221011120110
42113330323010221300
510133121211241221
6202541531341320
714534120520216
oct2277473045160
9517120834513
10163157133936
1163215a48665
1227754bb1840
131250237a204
147c7ad40cb6
15439dc1e776
hex25fcec4a70

163157133936 has 320 divisors, whose sum is σ = 462206131200. Its totient is φ = 49552183296.

The previous prime is 163157133911. The next prime is 163157133961. The reversal of 163157133936 is 639331751361.

It is an interprime number because it is at equal distance from previous prime (163157133911) and next prime (163157133961).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1833226180 + ... + 1833226268.

It is an arithmetic number, because the mean of its divisors is an integer number (1444394160).

Almost surely, 2163157133936 is an apocalyptic number.

163157133936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163157133936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231103065600).

163157133936 is an abundant number, since it is smaller than the sum of its proper divisors (299048997264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163157133936 is an equidigital number, since it uses as much as digits as its factorization.

163157133936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 233 counting only the distinct ones).

The product of its digits is 918540, while the sum is 48.

The spelling of 163157133936 in words is "one hundred sixty-three billion, one hundred fifty-seven million, one hundred thirty-three thousand, nine hundred thirty-six".