16154975191 has 2 divisors, whose sum is σ = 16154975192. Its totient is φ = 16154975190.

The previous prime is 16154975119. The next prime is 16154975233. The reversal of 16154975191 is 19157945161.

Together with previous prime (16154975119) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16154975191 - 2²³ = 16146586583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16164975191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8077487595 + 8077487596.

It is an arithmetic number, because the mean of its divisors is an integer number (8077487596).

Almost surely, 2^16154975191 is an apocalyptic number.

16154975191 is a deficient number, since it is larger than the sum of its proper divisors (1).

16154975191 is an equidigital number, since it uses as much as digits as its factorization.

16154975191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 49.

The spelling of 16154975191 in words is "sixteen billion, one hundred fifty-four million, nine hundred seventy-five thousand, one hundred ninety-one".