161350681360 has 40 divisors (see below), whose sum is σ = 409244003136. Its totient is φ = 58672974720.

The previous prime is 161350681343. The next prime is 161350681397. The reversal of 161350681360 is 63186053161.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 91675644 + ... + 91677403.

Almost surely, 2^161350681360 is an apocalyptic number.

161350681360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161350681360 is an abundant number, since it is smaller than the sum of its proper divisors (247893321776).

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

161350681360 is a wasteful number, since it uses less digits than its factorization.

161350681360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183353071 (or 183353065 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 161350681360 in words is "one hundred sixty-one billion, three hundred fifty million, six hundred eighty-one thousand, three hundred sixty".