165364455 has 32 divisors (see below), whose sum is σ = 271814400. Its totient is φ = 85800960.

The previous prime is 165364453. The next prime is 165364483. The reversal of 165364455 is 554463561.

It is not a de Polignac number, because 165364455 - 2¹ = 165364453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165364453) 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, 289320 + ... + 289890.

It is an arithmetic number, because the mean of its divisors is an integer number (8494200).

Almost surely, 2^165364455 is an apocalyptic number.

165364455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165364455 is a deficient number, since it is larger than the sum of its proper divisors (106449945).

165364455 is a wasteful number, since it uses less digits than its factorization.

165364455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071.

The product of its digits is 216000, while the sum is 39.

The square root of 165364455 is about 12859.4111451497. The cubic root of 165364455 is about 548.8841896255.

The spelling of 165364455 in words is "one hundred sixty-five million, three hundred sixty-four thousand, four hundred fifty-five".