87065166 has 16 divisors (see below), whose sum is σ = 181701504. Its totient is φ = 27759864.

The previous prime is 87065159. The next prime is 87065171. The reversal of 87065166 is 66156078.

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, 315316 + ... + 315591.

It is an arithmetic number, because the mean of its divisors is an integer number (11356344).

Almost surely, 2^87065166 is an apocalyptic number.

87065166 is an abundant number, since it is smaller than the sum of its proper divisors (94636338).

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

87065166 is a wasteful number, since it uses less digits than its factorization.

87065166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630935.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 87065166 is about 9330.8716634621. The cubic root of 87065166 is about 443.2153681402.

The spelling of 87065166 in words is "eighty-seven million, sixty-five thousand, one hundred sixty-six".