165426831301 has 2 divisors, whose sum is σ = 165426831302. Its totient is φ = 165426831300.

The previous prime is 165426831263. The next prime is 165426831329. The reversal of 165426831301 is 103138624561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161383779076 + 4043052225 = 401726^2 + 63585^2 .

It is a cyclic number.

It is not a de Polignac number, because 165426831301 - 2²⁷ = 165292613573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165426831331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82713415650 + 82713415651.

It is an arithmetic number, because the mean of its divisors is an integer number (82713415651).

Almost surely, 2^165426831301 is an apocalyptic number.

It is an amenable number.

165426831301 is a deficient number, since it is larger than the sum of its proper divisors (1).

165426831301 is an equidigital number, since it uses as much as digits as its factorization.

165426831301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 165426831301 in words is "one hundred sixty-five billion, four hundred twenty-six million, eight hundred thirty-one thousand, three hundred one".