616426051 has 4 divisors (see below), whose sum is σ = 616636504. Its totient is φ = 616215600.

The previous prime is 616426043. The next prime is 616426061. The reversal of 616426051 is 150624616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 616426051 - 2³ = 616426043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616426061) 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, 100770 + ... + 106711.

It is an arithmetic number, because the mean of its divisors is an integer number (154159126).

Almost surely, 2^616426051 is an apocalyptic number.

616426051 is a deficient number, since it is larger than the sum of its proper divisors (210453).

616426051 is a wasteful number, since it uses less digits than its factorization.

616426051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210452.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 616426051 is about 24827.9288503894. The cubic root of 616426051 is about 851.0602920641.

The spelling of 616426051 in words is "six hundred sixteen million, four hundred twenty-six thousand, fifty-one".