57372816667 has 4 divisors (see below), whose sum is σ = 57517332976. Its totient is φ = 57228300360.

The previous prime is 57372816653. The next prime is 57372816737. The reversal of 57372816667 is 76661827375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57372816667 - 2⁷ = 57372816539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57372816617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72257559 + ... + 72258352.

It is an arithmetic number, because the mean of its divisors is an integer number (14379333244).

Almost surely, 2^57372816667 is an apocalyptic number.

57372816667 is a deficient number, since it is larger than the sum of its proper divisors (144516309).

57372816667 is a wasteful number, since it uses less digits than its factorization.

57372816667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144516308.

The product of its digits is 17781120, while the sum is 58.

The spelling of 57372816667 in words is "fifty-seven billion, three hundred seventy-two million, eight hundred sixteen thousand, six hundred sixty-seven".