616540488 has 16 divisors (see below), whose sum is σ = 1541351280. Its totient is φ = 205513488.

The previous prime is 616540427. The next prime is 616540511. The reversal of 616540488 is 884045616.

616540488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12844570 + ... + 12844617.

It is an arithmetic number, because the mean of its divisors is an integer number (96334455).

Almost surely, 2^616540488 is an apocalyptic number.

It is an amenable number.

616540488 is an abundant number, since it is smaller than the sum of its proper divisors (924810792).

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

616540488 is a wasteful number, since it uses less digits than its factorization.

616540488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25689196 (or 25689192 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 616540488 is about 24830.2333456615. The cubic root of 616540488 is about 851.1129541043.

The spelling of 616540488 in words is "six hundred sixteen million, five hundred forty thousand, four hundred eighty-eight".