32172940159 has 2 divisors, whose sum is σ = 32172940160. Its totient is φ = 32172940158.

The previous prime is 32172940117. The next prime is 32172940223. The reversal of 32172940159 is 95104927123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32172940159 - 2⁷ = 32172940031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32172941159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16086470079 + 16086470080.

It is an arithmetic number, because the mean of its divisors is an integer number (16086470080).

Almost surely, 2^32172940159 is an apocalyptic number.

32172940159 is a deficient number, since it is larger than the sum of its proper divisors (1).

32172940159 is an equidigital number, since it uses as much as digits as its factorization.

32172940159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 32172940159 in words is "thirty-two billion, one hundred seventy-two million, nine hundred forty thousand, one hundred fifty-nine".