64156036 has 12 divisors (see below), whose sum is σ = 128312128. Its totient is φ = 27495432.

The previous prime is 64156031. The next prime is 64156049. The reversal of 64156036 is 63065146.

64156036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

64156036 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 64155989 and 64156007.

It is not an unprimeable number, because it can be changed into a prime (64156031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145616 + ... + 1145671.

Almost surely, 2^64156036 is an apocalyptic number.

It is an amenable number.

64156036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64156036 is a wasteful number, since it uses less digits than its factorization.

64156036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291298 (or 2291296 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 64156036 is about 8009.7463130863. The cubic root of 64156036 is about 400.3248111729.

The spelling of 64156036 in words is "sixty-four million, one hundred fifty-six thousand, thirty-six".