64166552 has 16 divisors (see below), whose sum is σ = 121122000. Its totient is φ = 31867360.

The previous prime is 64166549. The next prime is 64166563. The reversal of 64166552 is 25566146.

64166552 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 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, 25724 + ... + 28107.

It is an arithmetic number, because the mean of its divisors is an integer number (7570125).

Almost surely, 2^64166552 is an apocalyptic number.

It is an amenable number.

64166552 is a deficient number, since it is larger than the sum of its proper divisors (56955448).

64166552 is a wasteful number, since it uses less digits than its factorization.

64166552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53986 (or 53982 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 64166552 is about 8010.4027364422. The cubic root of 64166552 is about 400.3466827742.

The spelling of 64166552 in words is "sixty-four million, one hundred sixty-six thousand, five hundred fifty-two".