165741271100001 has 24 divisors (see below), whose sum is σ = 239445116726816. Its totient is φ = 110475232093440.

The previous prime is 165741271099991. The next prime is 165741271100011. The reversal of 165741271100001 is 100001172147561.

165741271100001 is a `hidden beast` number, since 1 + 6 + 574 + 1 + 2 + 71 + 10 + 0 + 0 + 0 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (165741271099991) and next prime (165741271100011).

It is a de Polignac number, because none of the positive numbers 2^k-165741271100001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165741271100011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1986239586 + ... + 1986323028.

Almost surely, 2^{165741271100001} is an apocalyptic number.

It is an amenable number.

165741271100001 is a deficient number, since it is larger than the sum of its proper divisors (73703845626815).

165741271100001 is a wasteful number, since it uses less digits than its factorization.

165741271100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118653 (or 118650 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

The spelling of 165741271100001 in words is "one hundred sixty-five trillion, seven hundred forty-one billion, two hundred seventy-one million, one hundred thousand, one".