161579839234 has 32 divisors (see below), whose sum is σ = 272370255552. Its totient is φ = 71244360000.

The previous prime is 161579839229. The next prime is 161579839241. The reversal of 161579839234 is 432938975161.

It is a happy number.

161579839234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161579839234² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30417 + ... + 569284.

It is an arithmetic number, because the mean of its divisors is an integer number (8511570486).

Almost surely, 2^161579839234 is an apocalyptic number.

161579839234 is a deficient number, since it is larger than the sum of its proper divisors (110790416318).

161579839234 is a wasteful number, since it uses less digits than its factorization.

161579839234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600082.

The product of its digits is 9797760, while the sum is 58.

The spelling of 161579839234 in words is "one hundred sixty-one billion, five hundred seventy-nine million, eight hundred thirty-nine thousand, two hundred thirty-four".