165164054 has 16 divisors (see below), whose sum is σ = 270787536. Its totient is φ = 74930400.

The previous prime is 165164047. The next prime is 165164071. The reversal of 165164054 is 450461561.

It is a self number, because there is not a number n which added to its sum of digits gives 165164054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4964 + ... + 18840.

It is an arithmetic number, because the mean of its divisors is an integer number (16924221).

Almost surely, 2^165164054 is an apocalyptic number.

165164054 is a deficient number, since it is larger than the sum of its proper divisors (105623482).

165164054 is a wasteful number, since it uses less digits than its factorization.

165164054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14431.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 165164054 is about 12851.6167854477. The cubic root of 165164054 is about 548.6623737086.

The spelling of 165164054 in words is "one hundred sixty-five million, one hundred sixty-four thousand, fifty-four".