616630412 has 12 divisors (see below), whose sum is σ = 1102063200. Its totient is φ = 301755216.

The previous prime is 616630411. The next prime is 616630429. The reversal of 616630412 is 214036616.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (616630411) 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, 1639787 + ... + 1640162.

It is an arithmetic number, because the mean of its divisors is an integer number (91838600).

Almost surely, 2^616630412 is an apocalyptic number.

It is an amenable number.

616630412 is a deficient number, since it is larger than the sum of its proper divisors (485432788).

616630412 is a wasteful number, since it uses less digits than its factorization.

616630412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280000 (or 3279998 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 616630412 is about 24832.0440560176. The cubic root of 616630412 is about 851.1543310898.

The spelling of 616630412 in words is "six hundred sixteen million, six hundred thirty thousand, four hundred twelve".