165394264 has 16 divisors (see below), whose sum is σ = 354416400. Its totient is φ = 70883232.

The previous prime is 165394261. The next prime is 165394277. The reversal of 165394264 is 462493561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165394261) 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 3 ways as a sum of consecutive naturals, for example, 1476679 + ... + 1476790.

It is an arithmetic number, because the mean of its divisors is an integer number (22151025).

Almost surely, 2^165394264 is an apocalyptic number.

165394264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

165394264 is an abundant number, since it is smaller than the sum of its proper divisors (189022136).

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

165394264 is a wasteful number, since it uses less digits than its factorization.

165394264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953482 (or 2953478 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 165394264 is about 12860.5701273311. The cubic root of 165394264 is about 548.9171687115.

The spelling of 165394264 in words is "one hundred sixty-five million, three hundred ninety-four thousand, two hundred sixty-four".