57147066651 has 4 divisors (see below), whose sum is σ = 76196088872. Its totient is φ = 38098044432.

The previous prime is 57147066623. The next prime is 57147066659. The reversal of 57147066651 is 15666074175.

57147066651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 57147066651 - 2⁹ = 57147066139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57147066651.

It is not an unprimeable number, because it can be changed into a prime (57147066659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9524511106 + ... + 9524511111.

It is an arithmetic number, because the mean of its divisors is an integer number (19049022218).

Almost surely, 2^57147066651 is an apocalyptic number.

57147066651 is a deficient number, since it is larger than the sum of its proper divisors (19049022221).

57147066651 is a wasteful number, since it uses less digits than its factorization.

57147066651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19049022220.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 57147066651 in words is "fifty-seven billion, one hundred forty-seven million, sixty-six thousand, six hundred fifty-one".