86637161 has 8 divisors (see below), whose sum is σ = 93402624. Its totient is φ = 79886160.

The previous prime is 86637137. The next prime is 86637163. The reversal of 86637161 is 16173668.

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 86637161 - 2¹⁴ = 86620777 is a prime.

It is a super-2 number, since 2×86637161² = 15011995332279842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86637163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11066 + ... + 17196.

It is an arithmetic number, because the mean of its divisors is an integer number (11675328).

Almost surely, 2^86637161 is an apocalyptic number.

It is an amenable number.

86637161 is a deficient number, since it is larger than the sum of its proper divisors (6765463).

86637161 is a wasteful number, since it uses less digits than its factorization.

86637161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231.

The product of its digits is 36288, while the sum is 38.

The square root of 86637161 is about 9307.9085191035. The cubic root of 86637161 is about 442.4879050180.

The spelling of 86637161 in words is "eighty-six million, six hundred thirty-seven thousand, one hundred sixty-one".