161860568 has 32 divisors (see below), whose sum is σ = 319044960. Its totient is φ = 76834560.

The previous prime is 161860549. The next prime is 161860597. The reversal of 161860568 is 865068161.

It is a happy number.

It is a congruent number.

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, 21998 + ... + 28418.

It is an arithmetic number, because the mean of its divisors is an integer number (9970155).

Almost surely, 2^161860568 is an apocalyptic number.

It is an amenable number.

161860568 is a deficient number, since it is larger than the sum of its proper divisors (157184392).

161860568 is a wasteful number, since it uses less digits than its factorization.

161860568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6587 (or 6583 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 161860568 is about 12722.4434759994. The cubic root of 161860568 is about 544.9797349590.

The spelling of 161860568 in words is "one hundred sixty-one million, eight hundred sixty thousand, five hundred sixty-eight".