16557372967 has 2 divisors, whose sum is σ = 16557372968. Its totient is φ = 16557372966.

The previous prime is 16557372961. The next prime is 16557372971. The reversal of 16557372967 is 76927375561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16557372967 - 2²³ = 16548984359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16557372961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8278686483 + 8278686484.

It is an arithmetic number, because the mean of its divisors is an integer number (8278686484).

Almost surely, 2^16557372967 is an apocalyptic number.

16557372967 is a deficient number, since it is larger than the sum of its proper divisors (1).

16557372967 is an equidigital number, since it uses as much as digits as its factorization.

16557372967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16669800, while the sum is 58.

The spelling of 16557372967 in words is "sixteen billion, five hundred fifty-seven million, three hundred seventy-two thousand, nine hundred sixty-seven".