564750557672161 has 8 divisors (see below), whose sum is σ = 667685388381120. Its totient is φ = 467379771866448.

The previous prime is 564750557672153. The next prime is 564750557672201. The reversal of 564750557672161 is 161276755057465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 564750557672161 - 2³ = 564750557672153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564750557672461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391011225591 + ... + 1391011225996.

It is an arithmetic number, because the mean of its divisors is an integer number (83460673547640).

Almost surely, 2^{564750557672161} is an apocalyptic number.

It is an amenable number.

564750557672161 is a deficient number, since it is larger than the sum of its proper divisors (102934830708959).

564750557672161 is a wasteful number, since it uses less digits than its factorization.

564750557672161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782022451623.

The product of its (nonzero) digits is 370440000, while the sum is 67.

The spelling of 564750557672161 in words is "five hundred sixty-four trillion, seven hundred fifty billion, five hundred fifty-seven million, six hundred seventy-two thousand, one hundred sixty-one".