165743055 has 12 divisors (see below), whose sum is σ = 287288040. Its totient is φ = 88396272.

The previous prime is 165743051. The next prime is 165743077. The reversal of 165743055 is 550347561.

165743055 is a `hidden beast` number, since 1 + 6 + 574 + 30 + 55 = 666.

165743055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165743055 - 2² = 165743051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165743051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1841545 + ... + 1841634.

It is an arithmetic number, because the mean of its divisors is an integer number (23940670).

Almost surely, 2^165743055 is an apocalyptic number.

165743055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165743055 is a deficient number, since it is larger than the sum of its proper divisors (121544985).

165743055 is a wasteful number, since it uses less digits than its factorization.

165743055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683190 (or 3683187 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 165743055 is about 12874.1234653082. The cubic root of 165743055 is about 549.3027583451.

The spelling of 165743055 in words is "one hundred sixty-five million, seven hundred forty-three thousand, fifty-five".