16536642607 has 2 divisors, whose sum is σ = 16536642608. Its totient is φ = 16536642606.

The previous prime is 16536642599. The next prime is 16536642643. The reversal of 16536642607 is 70624663561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16536642607 - 2³ = 16536642599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16536642107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8268321303 + 8268321304.

It is an arithmetic number, because the mean of its divisors is an integer number (8268321304).

Almost surely, 2^16536642607 is an apocalyptic number.

16536642607 is a deficient number, since it is larger than the sum of its proper divisors (1).

16536642607 is an equidigital number, since it uses as much as digits as its factorization.

16536642607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 16536642607 in words is "sixteen billion, five hundred thirty-six million, six hundred forty-two thousand, six hundred seven".