16604368051 has 2 divisors, whose sum is σ = 16604368052. Its totient is φ = 16604368050.

The previous prime is 16604368013. The next prime is 16604368057. The reversal of 16604368051 is 15086340661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16604368051 - 2²¹ = 16602270899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16604367995 and 16604368013.

It is not a weakly prime, because it can be changed into another prime (16604368057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8302184025 + 8302184026.

It is an arithmetic number, because the mean of its divisors is an integer number (8302184026).

Almost surely, 2^16604368051 is an apocalyptic number.

16604368051 is a deficient number, since it is larger than the sum of its proper divisors (1).

16604368051 is an equidigital number, since it uses as much as digits as its factorization.

16604368051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 16604368051 in words is "sixteen billion, six hundred four million, three hundred sixty-eight thousand, fifty-one".