616927649372680 has 32 divisors (see below), whose sum is σ = 1388116924156800. Its totient is φ = 246765777425856.

The previous prime is 616927649372677. The next prime is 616927649372707. The reversal of 616927649372680 is 86273946729616.

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 616927649372597 and 616927649372606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163180320 + ... + 166918159.

It is an arithmetic number, because the mean of its divisors is an integer number (43378653879900).

Almost surely, 2^{616927649372680} is an apocalyptic number.

It is an amenable number.

616927649372680 is an abundant number, since it is smaller than the sum of its proper divisors (771189274784120).

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

616927649372680 is a wasteful number, since it uses less digits than its factorization.

616927649372680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330145213 (or 330145209 counting only the distinct ones).

The product of its (nonzero) digits is 1975228416, while the sum is 76.

The spelling of 616927649372680 in words is "six hundred sixteen trillion, nine hundred twenty-seven billion, six hundred forty-nine million, three hundred seventy-two thousand, six hundred eighty".