616646564511050 has 48 divisors (see below), whose sum is σ = 1148407778448000. Its totient is φ = 246347851478400.

The previous prime is 616646564511017. The next prime is 616646564511073. The reversal of 616646564511050 is 50115465646616.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1953536735 + ... + 1953852365.

It is an arithmetic number, because the mean of its divisors is an integer number (23925162051000).

Almost surely, 2^{616646564511050} is an apocalyptic number.

616646564511050 is a deficient number, since it is larger than the sum of its proper divisors (531761213936950).

616646564511050 is a wasteful number, since it uses less digits than its factorization.

616646564511050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364751 (or 364746 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 56.

The spelling of 616646564511050 in words is "six hundred sixteen trillion, six hundred forty-six billion, five hundred sixty-four million, five hundred eleven thousand, fifty".