616436241644 has 48 divisors (see below), whose sum is σ = 1113830760000. Its totient is φ = 298326758400.

The previous prime is 616436241637. The next prime is 616436241727. The reversal of 616436241644 is 446142634616.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11362904 + ... + 11417024.

It is an arithmetic number, because the mean of its divisors is an integer number (23204807500).

Almost surely, 2^616436241644 is an apocalyptic number.

It is an amenable number.

616436241644 is a deficient number, since it is larger than the sum of its proper divisors (497394518356).

616436241644 is a wasteful number, since it uses less digits than its factorization.

616436241644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54714 (or 54712 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 47.

The spelling of 616436241644 in words is "six hundred sixteen billion, four hundred thirty-six million, two hundred forty-one thousand, six hundred forty-four".