161560125635 has 8 divisors (see below), whose sum is σ = 200557397520. Its totient is φ = 124791269344.

The previous prime is 161560125563. The next prime is 161560125659. The reversal of 161560125635 is 536521065161.

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 161560125635 - 2²⁸ = 161291690179 is a prime.

It is a super-2 number, since 2×161560125635² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161560125592 and 161560125601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557103737 + ... + 557104026.

It is an arithmetic number, because the mean of its divisors is an integer number (25069674690).

Almost surely, 2^161560125635 is an apocalyptic number.

161560125635 is a deficient number, since it is larger than the sum of its proper divisors (38997271885).

161560125635 is a wasteful number, since it uses less digits than its factorization.

161560125635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114207797.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 161560125635 in words is "one hundred sixty-one billion, five hundred sixty million, one hundred twenty-five thousand, six hundred thirty-five".