64085188 has 6 divisors (see below), whose sum is σ = 112149086. Its totient is φ = 32042592.

The previous prime is 64085183. The next prime is 64085191. The reversal of 64085188 is 88158046.

It can be written as a sum of positive squares in only one way, i.e., 62758084 + 1327104 = 7922^2 + 1152^2 .

It is a super-2 number, since 2×64085188² = 8213822641990688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64085188.

It is not an unprimeable number, because it can be changed into a prime (64085183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8010645 + ... + 8010652.

Almost surely, 2^64085188 is an apocalyptic number.

It is an amenable number.

64085188 is a deficient number, since it is larger than the sum of its proper divisors (48063898).

64085188 is a wasteful number, since it uses less digits than its factorization.

64085188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16021301 (or 16021299 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 64085188 is about 8005.3224794508. The cubic root of 64085188 is about 400.1773963147.

The spelling of 64085188 in words is "sixty-four million, eighty-five thousand, one hundred eighty-eight".