616130838 has 24 divisors (see below), whose sum is σ = 1335547200. Its totient is φ = 205285104.

The previous prime is 616130833. The next prime is 616130857. The reversal of 616130838 is 838031616.

616130838 is a `hidden beast` number, since 6 + 1 + 613 + 0 + 8 + 38 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616130833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42648 + ... + 55236.

It is an arithmetic number, because the mean of its divisors is an integer number (55647800).

Almost surely, 2^616130838 is an apocalyptic number.

616130838 is an abundant number, since it is smaller than the sum of its proper divisors (719416362).

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

616130838 is a wasteful number, since it uses less digits than its factorization.

616130838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15316 (or 15313 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 616130838 is about 24821.9829586598. The cubic root of 616130838 is about 850.9244097577.

The spelling of 616130838 in words is "six hundred sixteen million, one hundred thirty thousand, eight hundred thirty-eight".