617605274660 has 48 divisors (see below), whose sum is σ = 1415288089152. Its totient is φ = 224518569600.

The previous prime is 617605274623. The next prime is 617605274669. The reversal of 617605274660 is 66472506716.

It is a junction number, because it is equal to n+sod(n) for n = 617605274599 and 617605274608.

It is not an unprimeable number, because it can be changed into a prime (617605274669) 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 15 ways as a sum of consecutive naturals, for example, 355859 + ... + 1166981.

It is an arithmetic number, because the mean of its divisors is an integer number (29485168524).

Almost surely, 2^617605274660 is an apocalyptic number.

It is an amenable number.

617605274660 is an abundant number, since it is smaller than the sum of its proper divisors (797682814492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

617605274660 is a wasteful number, since it uses less digits than its factorization.

617605274660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814604 (or 814602 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 617605274660 in words is "six hundred seventeen billion, six hundred five million, two hundred seventy-four thousand, six hundred sixty".