616766733372 has 24 divisors (see below), whose sum is σ = 1472590341376. Its totient is φ = 200807773488.

The previous prime is 616766733371. The next prime is 616766733409. The reversal of 616766733372 is 273337667616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616766733371) 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, 597641668 + ... + 597642699.

Almost surely, 2^616766733372 is an apocalyptic number.

It is an amenable number.

616766733372 is an abundant number, since it is smaller than the sum of its proper divisors (855823608004).

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

616766733372 is a wasteful number, since it uses less digits than its factorization.

616766733372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195284417 (or 1195284415 counting only the distinct ones).

The product of its digits is 24004512, while the sum is 57.

The spelling of 616766733372 in words is "six hundred sixteen billion, seven hundred sixty-six million, seven hundred thirty-three thousand, three hundred seventy-two".