616990632 has 64 divisors (see below), whose sum is σ = 1600300800. Its totient is φ = 198082560.

The previous prime is 616990567. The next prime is 616990691. The reversal of 616990632 is 236099616.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 73768 + ... + 81704.

It is an arithmetic number, because the mean of its divisors is an integer number (25004700).

Almost surely, 2^616990632 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 616990632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800150400).

616990632 is an abundant number, since it is smaller than the sum of its proper divisors (983310168).

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

616990632 is a wasteful number, since it uses less digits than its factorization.

616990632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066 (or 8062 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 616990632 is about 24839.2961252931. The cubic root of 616990632 is about 851.3200398209.

The spelling of 616990632 in words is "six hundred sixteen million, nine hundred ninety thousand, six hundred thirty-two".