64166502 has 16 divisors (see below), whose sum is σ = 132758640. Its totient is φ = 20651232.

The previous prime is 64166437. The next prime is 64166507. The reversal of 64166502 is 20566146.

It is a self number, because there is not a number n which added to its sum of digits gives 64166502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64166507) 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, 184213 + ... + 184560.

It is an arithmetic number, because the mean of its divisors is an integer number (8297415).

Almost surely, 2^64166502 is an apocalyptic number.

64166502 is an abundant number, since it is smaller than the sum of its proper divisors (68592138).

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

64166502 is a wasteful number, since it uses less digits than its factorization.

64166502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368807.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 64166502 is about 8010.3996154998. The cubic root of 64166502 is about 400.3465787878.

The spelling of 64166502 in words is "sixty-four million, one hundred sixty-six thousand, five hundred two".