616926672 has 160 divisors (see below), whose sum is σ = 1846965120. Its totient is φ = 196992000.

The previous prime is 616926671. The next prime is 616926683. The reversal of 616926672 is 276629616.

616926672 is a `hidden beast` number, since 616 + 9 + 26 + 6 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616926671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1080147 + ... + 1080717.

It is an arithmetic number, because the mean of its divisors is an integer number (11543532).

Almost surely, 2^616926672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616926672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923482560).

616926672 is an abundant number, since it is smaller than the sum of its proper divisors (1230038448).

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

616926672 is a wasteful number, since it uses less digits than its factorization.

616926672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 678 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 616926672 is about 24838.0086158291. The cubic root of 616926672 is about 851.2906215939.

The spelling of 616926672 in words is "six hundred sixteen million, nine hundred twenty-six thousand, six hundred seventy-two".