616680323154 has 24 divisors (see below), whose sum is σ = 1527017943360. Its totient is φ = 176194378008.

The previous prime is 616680323143. The next prime is 616680323167. The reversal of 616680323154 is 451323086616.

616680323154 is a `hidden beast` number, since 616 + 6 + 8 + 0 + 3 + 23 + 1 + 5 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2447144014 + ... + 2447144265.

It is an arithmetic number, because the mean of its divisors is an integer number (63625747640).

Almost surely, 2^616680323154 is an apocalyptic number.

616680323154 is an abundant number, since it is smaller than the sum of its proper divisors (910337620206).

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

616680323154 is a wasteful number, since it uses less digits than its factorization.

616680323154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894288294 (or 4894288291 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 616680323154 in words is "six hundred sixteen billion, six hundred eighty million, three hundred twenty-three thousand, one hundred fifty-four".