2167207172497 has 2 divisors, whose sum is σ = 2167207172498. Its totient is φ = 2167207172496.

The previous prime is 2167207172491. The next prime is 2167207172527. The reversal of 2167207172497 is 7942717027612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2101714173441 + 65492999056 = 1449729^2 + 255916^2 .

It is a cyclic number.

It is not a de Polignac number, because 2167207172497 - 2²³ = 2167198783889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2167207172491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083603586248 + 1083603586249.

It is an arithmetic number, because the mean of its divisors is an integer number (1083603586249).

Almost surely, 2^{2167207172497} is an apocalyptic number.

It is an amenable number.

2167207172497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2167207172497 is an equidigital number, since it uses as much as digits as its factorization.

2167207172497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4148928, while the sum is 55.

The spelling of 2167207172497 in words is "two trillion, one hundred sixty-seven billion, two hundred seven million, one hundred seventy-two thousand, four hundred ninety-seven".