616421092 has 24 divisors (see below), whose sum is σ = 1233537536. Its totient is φ = 264031488.

The previous prime is 616421087. The next prime is 616421131. The reversal of 616421092 is 290124616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54868 + ... + 65140.

Almost surely, 2^616421092 is an apocalyptic number.

It is an amenable number.

616421092 is an abundant number, since it is smaller than the sum of its proper divisors (617116444).

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

616421092 is a wasteful number, since it uses less digits than its factorization.

616421092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12427 (or 12425 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 616421092 is about 24827.8289828168. The cubic root of 616421092 is about 851.0580098659.

The spelling of 616421092 in words is "six hundred sixteen million, four hundred twenty-one thousand, ninety-two".