165384954 has 24 divisors (see below), whose sum is σ = 409524960. Its totient is φ = 47252808.

The previous prime is 165384953. The next prime is 165384977. The reversal of 165384954 is 459483561.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (165384953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 656164 + ... + 656415.

It is an arithmetic number, because the mean of its divisors is an integer number (17063540).

Almost surely, 2^165384954 is an apocalyptic number.

165384954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

165384954 is an abundant number, since it is smaller than the sum of its proper divisors (244140006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165384954 is a wasteful number, since it uses less digits than its factorization.

165384954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312594 (or 1312591 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 165384954 is about 12860.2081631675. The cubic root of 165384954 is about 548.9068690502.

The spelling of 165384954 in words is "one hundred sixty-five million, three hundred eighty-four thousand, nine hundred fifty-four".