616766610612 has 24 divisors (see below), whose sum is σ = 1439134796736. Its totient is φ = 205587055168.

The previous prime is 616766610601. The next prime is 616766610643. The reversal of 616766610612 is 216016667616.

It is a congruent number.

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, 2499208 + ... + 2734880.

It is an arithmetic number, because the mean of its divisors is an integer number (59963949864).

Almost surely, 2^616766610612 is an apocalyptic number.

It is an amenable number.

616766610612 is an abundant number, since it is smaller than the sum of its proper divisors (822368186124).

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

616766610612 is a wasteful number, since it uses less digits than its factorization.

616766610612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453767 (or 453765 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 616766610612 in words is "six hundred sixteen billion, seven hundred sixty-six million, six hundred ten thousand, six hundred twelve".