64206164 has 24 divisors (see below), whose sum is σ = 125568576. Its totient is φ = 28472000.

The previous prime is 64206157. The next prime is 64206169. The reversal of 64206164 is 46160246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64206169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15992 + ... + 19599.

It is an arithmetic number, because the mean of its divisors is an integer number (5232024).

Almost surely, 2^64206164 is an apocalyptic number.

It is an amenable number.

64206164 is a deficient number, since it is larger than the sum of its proper divisors (61362412).

64206164 is a wasteful number, since it uses less digits than its factorization.

64206164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35647 (or 35645 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 64206164 is about 8012.8748898257. The cubic root of 64206164 is about 400.4290479634.

The spelling of 64206164 in words is "sixty-four million, two hundred six thousand, one hundred sixty-four".