64157392332241 has 32 divisors (see below), whose sum is σ = 69563974072320. Its totient is φ = 58819575169344.

The previous prime is 64157392332151. The next prime is 64157392332251. The reversal of 64157392332241 is 14223329375146.

It is a cyclic number.

It is not a de Polignac number, because 64157392332241 - 2¹¹ = 64157392330193 is a prime.

It is a super-2 number, since 2×64157392332241² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64157392332251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2223118470 + ... + 2223147328.

It is an arithmetic number, because the mean of its divisors is an integer number (2173874189760).

Almost surely, 2^{64157392332241} is an apocalyptic number.

It is an amenable number.

64157392332241 is a deficient number, since it is larger than the sum of its proper divisors (5406581740079).

64157392332241 is a wasteful number, since it uses less digits than its factorization.

64157392332241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30885.

The product of its digits is 6531840, while the sum is 52.

The spelling of 64157392332241 in words is "sixty-four trillion, one hundred fifty-seven billion, three hundred ninety-two million, three hundred thirty-two thousand, two hundred forty-one".