64166630 has 32 divisors (see below), whose sum is σ = 128148480. Its totient is φ = 22935520.

The previous prime is 64166611. The next prime is 64166657. The reversal of 64166630 is 3666146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1547 + ... + 11433.

It is an arithmetic number, because the mean of its divisors is an integer number (4004640).

Almost surely, 2^64166630 is an apocalyptic number.

64166630 is a deficient number, since it is larger than the sum of its proper divisors (63981850).

64166630 is a wasteful number, since it uses less digits than its factorization.

64166630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9964.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 64166630 is about 8010.4076051097. The cubic root of 64166630 is about 400.3468449928.

The spelling of 64166630 in words is "sixty-four million, one hundred sixty-six thousand, six hundred thirty".