64158044 has 6 divisors (see below), whose sum is σ = 112276584. Its totient is φ = 32079020.

The previous prime is 64158023. The next prime is 64158077. The reversal of 64158044 is 44085146.

It is a self number, because there is not a number n which added to its sum of digits gives 64158044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8019752 + ... + 8019759.

It is an arithmetic number, because the mean of its divisors is an integer number (18712764).

Almost surely, 2^64158044 is an apocalyptic number.

It is an amenable number.

64158044 is a deficient number, since it is larger than the sum of its proper divisors (48118540).

64158044 is a wasteful number, since it uses less digits than its factorization.

64158044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16039515 (or 16039513 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 64158044 is about 8009.8716593963. The cubic root of 64158044 is about 400.3289876769.

It can be divided in two parts, 641 and 58044, that added together give a palindrome (58685).

The spelling of 64158044 in words is "sixty-four million, one hundred fifty-eight thousand, forty-four".