165053451045343 has 32 divisors (see below), whose sum is σ = 200015548867584. Its totient is φ = 132961055012352.

The previous prime is 165053451045337. The next prime is 165053451045403. The reversal of 165053451045343 is 343540154350561.

It is not a de Polignac number, because 165053451045343 - 2⁵ = 165053451045311 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 (165053451045323) 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, 1354312696 + ... + 1354434562.

It is an arithmetic number, because the mean of its divisors is an integer number (6250485902112).

Almost surely, 2^{165053451045343} is an apocalyptic number.

165053451045343 is a deficient number, since it is larger than the sum of its proper divisors (34962097822241).

165053451045343 is a wasteful number, since it uses less digits than its factorization.

165053451045343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138151.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 165053451045343 in words is "one hundred sixty-five trillion, fifty-three billion, four hundred fifty-one million, forty-five thousand, three hundred forty-three".