16207866923 has 2 divisors, whose sum is σ = 16207866924. Its totient is φ = 16207866922.

The previous prime is 16207866919. The next prime is 16207866959. The reversal of 16207866923 is 32966870261.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16207866923 - 2² = 16207866919 is a prime.

It is not a weakly prime, because it can be changed into another prime (16207866973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8103933461 + 8103933462.

It is an arithmetic number, because the mean of its divisors is an integer number (8103933462).

Almost surely, 2^16207866923 is an apocalyptic number.

16207866923 is a deficient number, since it is larger than the sum of its proper divisors (1).

16207866923 is an equidigital number, since it uses as much as digits as its factorization.

16207866923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 16207866923 in words is "sixteen billion, two hundred seven million, eight hundred sixty-six thousand, nine hundred twenty-three".