66238763586364 has 24 divisors (see below), whose sum is σ = 116203130667008. Its totient is φ = 33037957764720.

The previous prime is 66238763586353. The next prime is 66238763586383. The reversal of 66238763586364 is 46368536783266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8092044 + ... + 14069779.

Almost surely, 2^{66238763586364} is an apocalyptic number.

It is an amenable number.

66238763586364 is a deficient number, since it is larger than the sum of its proper divisors (49964367080644).

66238763586364 is a wasteful number, since it uses less digits than its factorization.

66238763586364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22163665 (or 22163663 counting only the distinct ones).

The product of its digits is 3762339840, while the sum is 73.

The spelling of 66238763586364 in words is "sixty-six trillion, two hundred thirty-eight billion, seven hundred sixty-three million, five hundred eighty-six thousand, three hundred sixty-four".