16765055999 has 2 divisors, whose sum is σ = 16765056000. Its totient is φ = 16765055998.

The previous prime is 16765055987. The next prime is 16765056023. The reversal of 16765055999 is 99955056761.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16765055999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16765055959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8382527999 + 8382528000.

It is an arithmetic number, because the mean of its divisors is an integer number (8382528000).

Almost surely, 2^16765055999 is an apocalyptic number.

16765055999 is a deficient number, since it is larger than the sum of its proper divisors (1).

16765055999 is an equidigital number, since it uses as much as digits as its factorization.

16765055999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22963500, while the sum is 62.

The spelling of 16765055999 in words is "sixteen billion, seven hundred sixty-five million, fifty-five thousand, nine hundred ninety-nine".