86161564 has 12 divisors (see below), whose sum is σ = 150897600. Its totient is φ = 43047968.

The previous prime is 86161549. The next prime is 86161577. The reversal of 86161564 is 46516168.

It is a super-2 number, since 2×86161564² = 14847630221852192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1729 + ... + 13240.

It is an arithmetic number, because the mean of its divisors is an integer number (12574800).

Almost surely, 2^86161564 is an apocalyptic number.

It is an amenable number.

86161564 is a deficient number, since it is larger than the sum of its proper divisors (64736036).

86161564 is a wasteful number, since it uses less digits than its factorization.

86161564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16412 (or 16410 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 86161564 is about 9282.3253552114. The cubic root of 86161564 is about 441.6767358489.

The spelling of 86161564 in words is "eighty-six million, one hundred sixty-one thousand, five hundred sixty-four".