163483923456 has 704 divisors, whose sum is σ = 608086732800. Its totient is φ = 42305421312.

The previous prime is 163483923439. The next prime is 163483923467. The reversal of 163483923456 is 654329384361.

163483923456 is a `hidden beast` number, since 1 + 63 + 48 + 3 + 92 + 3 + 456 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 84574266 + ... + 84576198.

Almost surely, 2^163483923456 is an apocalyptic number.

163483923456 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 163483923456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304043366400).

163483923456 is an abundant number, since it is smaller than the sum of its proper divisors (444602809344).

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

163483923456 is a wasteful number, since it uses less digits than its factorization.

163483923456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011 (or 1987 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 163483923456 in words is "one hundred sixty-three billion, four hundred eighty-three million, nine hundred twenty-three thousand, four hundred fifty-six".