64868156 has 12 divisors (see below), whose sum is σ = 115118640. Its totient is φ = 31977120.

The previous prime is 64868129. The next prime is 64868173. The reversal of 64868156 is 65186846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113921 + ... + 114488.

It is an arithmetic number, because the mean of its divisors is an integer number (9593220).

Almost surely, 2^64868156 is an apocalyptic number.

It is an amenable number.

64868156 is a deficient number, since it is larger than the sum of its proper divisors (50250484).

64868156 is a wasteful number, since it uses less digits than its factorization.

64868156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228484 (or 228482 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 64868156 is about 8054.0769800145. The cubic root of 64868156 is about 401.8005412999.

The spelling of 64868156 in words is "sixty-four million, eight hundred sixty-eight thousand, one hundred fifty-six".