168152180431 has 2 divisors, whose sum is σ = 168152180432. Its totient is φ = 168152180430.

The previous prime is 168152180347. The next prime is 168152180437. The reversal of 168152180431 is 134081251861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168152180431 - 2²⁵ = 168118625999 is a prime.

It is a super-2 number, since 2×168152180431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168152180437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84076090215 + 84076090216.

It is an arithmetic number, because the mean of its divisors is an integer number (84076090216).

Almost surely, 2^168152180431 is an apocalyptic number.

168152180431 is a deficient number, since it is larger than the sum of its proper divisors (1).

168152180431 is an equidigital number, since it uses as much as digits as its factorization.

168152180431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 168152180431 in words is "one hundred sixty-eight billion, one hundred fifty-two million, one hundred eighty thousand, four hundred thirty-one".