616321304545636 has 24 divisors (see below), whose sum is σ = 1093397746551264. Its totient is φ = 303934470410880.

The previous prime is 616321304545633. The next prime is 616321304545643. The reversal of 616321304545636 is 636545403123616.

It is not an unprimeable number, because it can be changed into a prime (616321304545633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565055630 + ... + 1565449381.

It is an arithmetic number, because the mean of its divisors is an integer number (45558239439636).

Almost surely, 2^{616321304545636} is an apocalyptic number.

It is an amenable number.

616321304545636 is a deficient number, since it is larger than the sum of its proper divisors (477076442005628).

616321304545636 is a wasteful number, since it uses less digits than its factorization.

616321304545636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130505691 (or 3130505689 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 55.

The spelling of 616321304545636 in words is "six hundred sixteen trillion, three hundred twenty-one billion, three hundred four million, five hundred forty-five thousand, six hundred thirty-six".