616623334506 has 32 divisors (see below), whose sum is σ = 1370590401600. Its totient is φ = 205493662800.

The previous prime is 616623334493. The next prime is 616623334549. The reversal of 616623334506 is 605433326616.

616623334506 is a `hidden beast` number, since 6 + 16 + 623 + 3 + 3 + 4 + 5 + 0 + 6 = 666.

616623334506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081545 + ... + 1550156.

It is an arithmetic number, because the mean of its divisors is an integer number (42830950050).

Almost surely, 2^616623334506 is an apocalyptic number.

616623334506 is an abundant number, since it is smaller than the sum of its proper divisors (753967067094).

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

616623334506 is a wasteful number, since it uses less digits than its factorization.

616623334506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636051 (or 2636045 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 616623334506 in words is "six hundred sixteen billion, six hundred twenty-three million, three hundred thirty-four thousand, five hundred six".