64487166 has 16 divisors (see below), whose sum is σ = 129093888. Its totient is φ = 21475800.

The previous prime is 64487153. The next prime is 64487209. The reversal of 64487166 is 66178446.

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, 3021 + ... + 11751.

It is an arithmetic number, because the mean of its divisors is an integer number (8068368).

Almost surely, 2^64487166 is an apocalyptic number.

64487166 is an abundant number, since it is smaller than the sum of its proper divisors (64606722).

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

64487166 is a wasteful number, since it uses less digits than its factorization.

64487166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9967.

The product of its digits is 193536, while the sum is 42.

The square root of 64487166 is about 8030.3901524148. The cubic root of 64487166 is about 401.0123647989.

The spelling of 64487166 in words is "sixty-four million, four hundred eighty-seven thousand, one hundred sixty-six".