616708998 has 32 divisors (see below), whose sum is σ = 1383782400. Its totient is φ = 203572008.

The previous prime is 616708993. The next prime is 616709021. The reversal of 616708998 is 899807616.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616708991) 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 15 ways as a sum of consecutive naturals, for example, 49878 + ... + 61001.

It is an arithmetic number, because the mean of its divisors is an integer number (43243200).

Almost surely, 2^616708998 is an apocalyptic number.

616708998 is an abundant number, since it is smaller than the sum of its proper divisors (767073402).

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

616708998 is a wasteful number, since it uses less digits than its factorization.

616708998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110993 (or 110987 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 616708998 is about 24833.6263562131. The cubic root of 616708998 is about 851.1904877955.

The spelling of 616708998 in words is "six hundred sixteen million, seven hundred eight thousand, nine hundred ninety-eight".