616656051 has 24 divisors (see below), whose sum is σ = 1004171280. Its totient is φ = 373728960.

The previous prime is 616656049. The next prime is 616656083. The reversal of 616656051 is 150656616.

It is not a de Polignac number, because 616656051 - 2¹ = 616656049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 616655997 and 616656015.

It is not an unprimeable number, because it can be changed into a prime (616656091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91110 + ... + 97643.

It is an arithmetic number, because the mean of its divisors is an integer number (41840470).

Almost surely, 2^616656051 is an apocalyptic number.

616656051 is a deficient number, since it is larger than the sum of its proper divisors (387515229).

616656051 is a wasteful number, since it uses less digits than its factorization.

616656051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188784 (or 188767 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 616656051 is about 24832.5602989301. The cubic root of 616656051 is about 851.1661276987.

The spelling of 616656051 in words is "six hundred sixteen million, six hundred fifty-six thousand, fifty-one".