16087565399 has 2 divisors, whose sum is σ = 16087565400. Its totient is φ = 16087565398.

The previous prime is 16087565287. The next prime is 16087565489. The reversal of 16087565399 is 99356578061.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16087565399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16087565999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8043782699 + 8043782700.

It is an arithmetic number, because the mean of its divisors is an integer number (8043782700).

Almost surely, 2^16087565399 is an apocalyptic number.

16087565399 is a deficient number, since it is larger than the sum of its proper divisors (1).

16087565399 is an equidigital number, since it uses as much as digits as its factorization.

16087565399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 16087565399 in words is "sixteen billion, eighty-seven million, five hundred sixty-five thousand, three hundred ninety-nine".