616416836 has 24 divisors (see below), whose sum is σ = 1286436480. Its totient is φ = 252692352.

The previous prime is 616416811. The next prime is 616416863. The reversal of 616416836 is 638614616.

It is a junction number, because it is equal to n+sod(n) for n = 616416793 and 616416802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477941 + ... + 479228.

It is an arithmetic number, because the mean of its divisors is an integer number (53601520).

Almost surely, 2^616416836 is an apocalyptic number.

It is an amenable number.

616416836 is an abundant number, since it is smaller than the sum of its proper divisors (670019644).

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

616416836 is a wasteful number, since it uses less digits than its factorization.

616416836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957203 (or 957201 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 616416836 is about 24827.7432723959. The cubic root of 616416836 is about 851.0560511879.

The spelling of 616416836 in words is "six hundred sixteen million, four hundred sixteen thousand, eight hundred thirty-six".