165254460 has 72 divisors (see below), whose sum is σ = 538266960. Its totient is φ = 37771776.

The previous prime is 165254449. The next prime is 165254473. The reversal of 165254460 is 64452561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25165 + ... + 31044.

It is an arithmetic number, because the mean of its divisors is an integer number (7475930).

Almost surely, 2^165254460 is an apocalyptic number.

165254460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165254460 is an abundant number, since it is smaller than the sum of its proper divisors (373012500).

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

165254460 is a wasteful number, since it uses less digits than its factorization.

165254460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56235 (or 56226 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 165254460 is about 12855.1336049066. The cubic root of 165254460 is about 548.7624627248.

The spelling of 165254460 in words is "one hundred sixty-five million, two hundred fifty-four thousand, four hundred sixty".