616636225033642 has 96 divisors (see below), whose sum is σ = 1097776457363520. Its totient is φ = 257496215808000.

The previous prime is 616636225033583. The next prime is 616636225033643. The reversal of 616636225033642 is 246330522636616.

It is not an unprimeable number, because it can be changed into a prime (616636225033643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44738334 + ... + 56875222.

It is an arithmetic number, because the mean of its divisors is an integer number (11435171430870).

Almost surely, 2^{616636225033642} is an apocalyptic number.

616636225033642 is a deficient number, since it is larger than the sum of its proper divisors (481140232329878).

616636225033642 is a wasteful number, since it uses less digits than its factorization.

616636225033642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12137128 (or 12137111 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 55.

The spelling of 616636225033642 in words is "six hundred sixteen trillion, six hundred thirty-six billion, two hundred twenty-five million, thirty-three thousand, six hundred forty-two".