616304532 has 12 divisors (see below), whose sum is σ = 1438043936. Its totient is φ = 205434840.

The previous prime is 616304531. The next prime is 616304551. The reversal of 616304532 is 235403616.

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

It is a self number, because there is not a number n which added to its sum of digits gives 616304532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616304531) 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, 25679344 + ... + 25679367.

Almost surely, 2^616304532 is an apocalyptic number.

It is an amenable number.

616304532 is an abundant number, since it is smaller than the sum of its proper divisors (821739404).

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

616304532 is a wasteful number, since it uses less digits than its factorization.

616304532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51358718 (or 51358716 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 616304532 is about 24825.4815059044. The cubic root of 616304532 is about 851.0043638674.

The spelling of 616304532 in words is "six hundred sixteen million, three hundred four thousand, five hundred thirty-two".