64662163 has 2 divisors, whose sum is σ = 64662164. Its totient is φ = 64662162.

The previous prime is 64662137. The next prime is 64662181. The reversal of 64662163 is 36126646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64662163 - 2¹³ = 64653971 is a prime.

It is not a weakly prime, because it can be changed into another prime (64662113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32331081 + 32331082.

It is an arithmetic number, because the mean of its divisors is an integer number (32331082).

Almost surely, 2^64662163 is an apocalyptic number.

64662163 is a deficient number, since it is larger than the sum of its proper divisors (1).

64662163 is an equidigital number, since it uses as much as digits as its factorization.

64662163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 64662163 is about 8041.2786918499. The cubic root of 64662163 is about 401.3747758154.

The spelling of 64662163 in words is "sixty-four million, six hundred sixty-two thousand, one hundred sixty-three".