616151611656 has 48 divisors (see below), whose sum is σ = 1907135942400. Its totient is φ = 176043317472.

The previous prime is 616151611643. The next prime is 616151611693. The reversal of 616151611656 is 656116151616.

616151611656 is a `hidden beast` number, since 6 + 1 + 61 + 516 + 11 + 65 + 6 = 666.

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 11 ways as a sum of consecutive naturals, for example, 611261016 + ... + 611262023.

It is an arithmetic number, because the mean of its divisors is an integer number (39731998800).

Almost surely, 2^616151611656 is an apocalyptic number.

It is an amenable number.

616151611656 is an abundant number, since it is smaller than the sum of its proper divisors (1290984330744).

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

616151611656 is a wasteful number, since it uses less digits than its factorization.

616151611656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222523058 (or 1222523051 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The spelling of 616151611656 in words is "six hundred sixteen billion, one hundred fifty-one million, six hundred eleven thousand, six hundred fifty-six".