616910814 has 48 divisors (see below), whose sum is σ = 1470111552. Its totient is φ = 185776704.

The previous prime is 616910813. The next prime is 616910837. The reversal of 616910814 is 418019616.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616910813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17049 + ... + 39044.

It is an arithmetic number, because the mean of its divisors is an integer number (30627324).

Almost surely, 2^616910814 is an apocalyptic number.

616910814 is an abundant number, since it is smaller than the sum of its proper divisors (853200738).

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

616910814 is a wasteful number, since it uses less digits than its factorization.

616910814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56161 (or 56158 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 616910814 is about 24837.6893852870. The cubic root of 616910814 is about 851.2833274356.

The spelling of 616910814 in words is "six hundred sixteen million, nine hundred ten thousand, eight hundred fourteen".