64157122748 has 12 divisors (see below), whose sum is σ = 112395827040. Its totient is φ = 32044029312.

The previous prime is 64157122739. The next prime is 64157122751. The reversal of 64157122748 is 84722175146.

It is a super-2 number, since 2×64157122748² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 8628836 + ... + 8636267.

It is an arithmetic number, because the mean of its divisors is an integer number (9366318920).

Almost surely, 2^64157122748 is an apocalyptic number.

It is an amenable number.

64157122748 is a deficient number, since it is larger than the sum of its proper divisors (48238704292).

64157122748 is a wasteful number, since it uses less digits than its factorization.

64157122748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17266036 (or 17266034 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The spelling of 64157122748 in words is "sixty-four billion, one hundred fifty-seven million, one hundred twenty-two thousand, seven hundred forty-eight".