57645051667 has 32 divisors (see below), whose sum is σ = 68713887744. Its totient is φ = 47337091200.

The previous prime is 57645051649. The next prime is 57645051677. The reversal of 57645051667 is 76615054675.

It is not a de Polignac number, because 57645051667 - 2¹¹ = 57645049619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57645051617) 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, 4227753 + ... + 4241365.

It is an arithmetic number, because the mean of its divisors is an integer number (2147308992).

Almost surely, 2^57645051667 is an apocalyptic number.

57645051667 is a deficient number, since it is larger than the sum of its proper divisors (11068836077).

57645051667 is a wasteful number, since it uses less digits than its factorization.

57645051667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13939.

The product of its (nonzero) digits is 5292000, while the sum is 52.

The spelling of 57645051667 in words is "fifty-seven billion, six hundred forty-five million, fifty-one thousand, six hundred sixty-seven".