401153165 has 32 divisors (see below), whose sum is σ = 588052224. Its totient is φ = 256435200.

The previous prime is 401153161. The next prime is 401153191. The reversal of 401153165 is 561351104.

It is not a de Polignac number, because 401153165 - 2² = 401153161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401153161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60515 + ... + 66815.

It is an arithmetic number, because the mean of its divisors is an integer number (18376632).

Almost surely, 2^401153165 is an apocalyptic number.

It is an amenable number.

401153165 is a deficient number, since it is larger than the sum of its proper divisors (186899059).

401153165 is a wasteful number, since it uses less digits than its factorization.

401153165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 401153165 is about 20028.8083769355. The cubic root of 401153165 is about 737.5136697648.

The spelling of 401153165 in words is "four hundred one million, one hundred fifty-three thousand, one hundred sixty-five".