57672106661 has 6 divisors (see below), whose sum is σ = 62449677810. Its totient is φ = 53235790608.

The previous prime is 57672106651. The next prime is 57672106673. The reversal of 57672106661 is 16660127675.

It can be written as a sum of positive squares in 3 ways, for example, as 3058753636 + 54613353025 = 55306^2 + 233695^2 .

It is not a de Polignac number, because 57672106661 - 2¹⁴ = 57672090277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57672106651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170627366 + ... + 170627703.

It is an arithmetic number, because the mean of its divisors is an integer number (10408279635).

Almost surely, 2^57672106661 is an apocalyptic number.

It is an amenable number.

57672106661 is a deficient number, since it is larger than the sum of its proper divisors (4777571149).

57672106661 is a wasteful number, since it uses less digits than its factorization.

57672106661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341255095 (or 341255082 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 57672106661 in words is "fifty-seven billion, six hundred seventy-two million, one hundred six thousand, six hundred sixty-one".