616548404845616 has 80 divisors (see below), whose sum is σ = 1297040585232384. Its totient is φ = 283151896465152.

The previous prime is 616548404845573. The next prime is 616548404845651.

616548404845616 is nontrivially palindromic in base 10.

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 15 ways as a sum of consecutive naturals, for example, 335374616 + ... + 337207991.

Almost surely, 2^{616548404845616} is an apocalyptic number.

It is an amenable number.

616548404845616 is an abundant number, since it is smaller than the sum of its proper divisors (680492180386768).

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

616548404845616 is a wasteful number, since it uses less digits than its factorization.

616548404845616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672582738 (or 672582732 counting only the distinct ones).

The product of its (nonzero) digits is 530841600, while the sum is 68.

The spelling of 616548404845616 in words is "six hundred sixteen trillion, five hundred forty-eight billion, four hundred four million, eight hundred forty-five thousand, six hundred sixteen".