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163120336661 = 1674092388187
BaseRepresentation
bin1001011111101010111…
…0101100111100010101
3120121001010200200012102
42113322232230330111
510133032301233121
6202534134531445
714533162661432
oct2277256547425
9517033620172
10163120336661
11631a71a5297
1227744806b85
13124c7865389
147c760c2b89
15439a8a190b
hex25fabacf15

163120336661 has 8 divisors (see below), whose sum is σ = 164498389440. Its totient is φ = 161747061408.

The previous prime is 163120336651. The next prime is 163120336669. The reversal of 163120336661 is 166633021361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163120336661 - 230 = 162046594837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163120336669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125791 + ... + 1262396.

It is an arithmetic number, because the mean of its divisors is an integer number (20562298680).

Almost surely, 2163120336661 is an apocalyptic number.

It is an amenable number.

163120336661 is a deficient number, since it is larger than the sum of its proper divisors (1378052779).

163120336661 is a wasteful number, since it uses less digits than its factorization.

163120336661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388763.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 163120336661 in words is "one hundred sixty-three billion, one hundred twenty million, three hundred thirty-six thousand, six hundred sixty-one".

Divisors: 1 167 409 68303 2388187 398827229 976768483 163120336661