165167508353 has 2 divisors, whose sum is σ = 165167508354. Its totient is φ = 165167508352.

The previous prime is 165167508349. The next prime is 165167508397. The reversal of 165167508353 is 353805761561.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139332732529 + 25834775824 = 373273^2 + 160732^2 .

It is a cyclic number.

It is not a de Polignac number, because 165167508353 - 2² = 165167508349 is a prime.

It is not a weakly prime, because it can be changed into another prime (165167508323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82583754176 + 82583754177.

It is an arithmetic number, because the mean of its divisors is an integer number (82583754177).

Almost surely, 2^165167508353 is an apocalyptic number.

It is an amenable number.

165167508353 is a deficient number, since it is larger than the sum of its proper divisors (1).

165167508353 is an equidigital number, since it uses as much as digits as its factorization.

165167508353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 165167508353 in words is "one hundred sixty-five billion, one hundred sixty-seven million, five hundred eight thousand, three hundred fifty-three".