3522172167091 has 2 divisors, whose sum is σ = 3522172167092. Its totient is φ = 3522172167090.

The previous prime is 3522172167013. The next prime is 3522172167179. The reversal of 3522172167091 is 1907612712253.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3522172167091 - 2²¹ = 3522170069939 is a prime.

It is a super-2 number, since 2×3522172167091² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3522172167491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1761086083545 + 1761086083546.

It is an arithmetic number, because the mean of its divisors is an integer number (1761086083546).

Almost surely, 2^{3522172167091} is an apocalyptic number.

3522172167091 is a deficient number, since it is larger than the sum of its proper divisors (1).

3522172167091 is an equidigital number, since it uses as much as digits as its factorization.

3522172167091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 3522172167091 in words is "three trillion, five hundred twenty-two billion, one hundred seventy-two million, one hundred sixty-seven thousand, ninety-one".