64164070 has 32 divisors (see below), whose sum is σ = 118117440. Its totient is φ = 25088640.

The previous prime is 64164059. The next prime is 64164073. The reversal of 64164070 is 7046146.

64164070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64164073) 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 15 ways as a sum of consecutive naturals, for example, 178551 + ... + 178909.

It is an arithmetic number, because the mean of its divisors is an integer number (3691170).

Almost surely, 2^64164070 is an apocalyptic number.

64164070 is a deficient number, since it is larger than the sum of its proper divisors (53953370).

64164070 is a wasteful number, since it uses less digits than its factorization.

64164070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 64164070 is about 8010.2478113976. The cubic root of 64164070 is about 400.3415208258.

The spelling of 64164070 in words is "sixty-four million, one hundred sixty-four thousand, seventy".