86966166 has 32 divisors (see below), whose sum is σ = 203632128. Its totient is φ = 24240960.

The previous prime is 86966161. The next prime is 86966179. The reversal of 86966166 is 66166968.

It is a happy number.

It is a super-2 number, since 2×86966166² = 15126228057479112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86966161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23530 + ... + 26973.

It is an arithmetic number, because the mean of its divisors is an integer number (6363504).

Almost surely, 2^86966166 is an apocalyptic number.

86966166 is an abundant number, since it is smaller than the sum of its proper divisors (116665962).

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

86966166 is a wasteful number, since it uses less digits than its factorization.

86966166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50556.

The product of its digits is 559872, while the sum is 48.

The square root of 86966166 is about 9325.5651839446. The cubic root of 86966166 is about 443.0473140836.

The spelling of 86966166 in words is "eighty-six million, nine hundred sixty-six thousand, one hundred sixty-six".