617701271564 has 12 divisors (see below), whose sum is σ = 1164129319584. Its totient is φ = 285092894544.

The previous prime is 617701271531. The next prime is 617701271567. The reversal of 617701271564 is 465172107716.

617701271564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (617701271567) 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, 5939435252 + ... + 5939435355.

It is an arithmetic number, because the mean of its divisors is an integer number (97010776632).

Almost surely, 2^617701271564 is an apocalyptic number.

It is an amenable number.

617701271564 is a deficient number, since it is larger than the sum of its proper divisors (546428048020).

617701271564 is a wasteful number, since it uses less digits than its factorization.

617701271564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11878870624 (or 11878870622 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The spelling of 617701271564 in words is "six hundred seventeen billion, seven hundred one million, two hundred seventy-one thousand, five hundred sixty-four".