616634536 has 16 divisors (see below), whose sum is σ = 1321359840. Its totient is φ = 264271920.

The previous prime is 616634533. The next prime is 616634537. The reversal of 616634536 is 635436616.

It is not an unprimeable number, because it can be changed into a prime (616634533) 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, 5505610 + ... + 5505721.

It is an arithmetic number, because the mean of its divisors is an integer number (82584990).

Almost surely, 2^616634536 is an apocalyptic number.

It is an amenable number.

616634536 is an abundant number, since it is smaller than the sum of its proper divisors (704725304).

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

616634536 is a wasteful number, since it uses less digits than its factorization.

616634536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011344 (or 11011340 counting only the distinct ones).

The product of its digits is 233280, while the sum is 40.

The square root of 616634536 is about 24832.1270937469. The cubic root of 616634536 is about 851.1562285812.

The spelling of 616634536 in words is "six hundred sixteen million, six hundred thirty-four thousand, five hundred thirty-six".