16615332607 has 2 divisors, whose sum is σ = 16615332608. Its totient is φ = 16615332606.

The previous prime is 16615332589. The next prime is 16615332623. The reversal of 16615332607 is 70623351661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16615332607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16615332607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16615332407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8307666303 + 8307666304.

It is an arithmetic number, because the mean of its divisors is an integer number (8307666304).

Almost surely, 2^16615332607 is an apocalyptic number.

16615332607 is a deficient number, since it is larger than the sum of its proper divisors (1).

16615332607 is an equidigital number, since it uses as much as digits as its factorization.

16615332607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 16615332607 in words is "sixteen billion, six hundred fifteen million, three hundred thirty-two thousand, six hundred seven".