165040354 has 16 divisors (see below), whose sum is σ = 253380960. Its totient is φ = 80602720.

The previous prime is 165040339. The next prime is 165040391. The reversal of 165040354 is 453040561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9189 + ... + 20359.

It is an arithmetic number, because the mean of its divisors is an integer number (15836310).

Almost surely, 2^165040354 is an apocalyptic number.

165040354 is a deficient number, since it is larger than the sum of its proper divisors (88340606).

165040354 is a wasteful number, since it uses less digits than its factorization.

165040354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11345.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 165040354 is about 12846.8032599554. The cubic root of 165040354 is about 548.5253655144.

The spelling of 165040354 in words is "one hundred sixty-five million, forty thousand, three hundred fifty-four".