616844598542256 has 40 divisors (see below), whose sum is σ = 1821160243316224. Its totient is φ = 176241313869120.

The previous prime is 616844598542239. The next prime is 616844598542279. The reversal of 616844598542256 is 652245895448616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917923509400 + ... + 917923510071.

Almost surely, 2^{616844598542256} is an apocalyptic number.

It is an amenable number.

616844598542256 is an abundant number, since it is smaller than the sum of its proper divisors (1204315644773968).

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

616844598542256 is a wasteful number, since it uses less digits than its factorization.

616844598542256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835847019489 (or 1835847019483 counting only the distinct ones).

The product of its digits is 3981312000, while the sum is 75.

The spelling of 616844598542256 in words is "six hundred sixteen trillion, eight hundred forty-four billion, five hundred ninety-eight million, five hundred forty-two thousand, two hundred fifty-six".