616856484 has 12 divisors (see below), whose sum is σ = 1439331824. Its totient is φ = 205618824.

The previous prime is 616856483. The next prime is 616856503. The reversal of 616856484 is 484658616.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (616856483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25702342 + ... + 25702365.

Almost surely, 2^616856484 is an apocalyptic number.

It is an amenable number.

616856484 is an abundant number, since it is smaller than the sum of its proper divisors (822475340).

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

616856484 is a wasteful number, since it uses less digits than its factorization.

616856484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51404714 (or 51404712 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 616856484 is about 24836.5956604362. The cubic root of 616856484 is about 851.2583364753.

The spelling of 616856484 in words is "six hundred sixteen million, eight hundred fifty-six thousand, four hundred eighty-four".