64198164 has 12 divisors (see below), whose sum is σ = 149795744. Its totient is φ = 21399384.

The previous prime is 64198159. The next prime is 64198177. The reversal of 64198164 is 46189146.

64198164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 2674912 + ... + 2674935.

Almost surely, 2^64198164 is an apocalyptic number.

It is an amenable number.

64198164 is an abundant number, since it is smaller than the sum of its proper divisors (85597580).

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

64198164 is a wasteful number, since it uses less digits than its factorization.

64198164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349854 (or 5349852 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 64198164 is about 8012.3756776626. The cubic root of 64198164 is about 400.4124163025.

The spelling of 64198164 in words is "sixty-four million, one hundred ninety-eight thousand, one hundred sixty-four".