165402496 has 64 divisors (see below), whose sum is σ = 378362880. Its totient is φ = 70553088.

The previous prime is 165402443. The next prime is 165402521. The reversal of 165402496 is 694204561.

165402496 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328581 + ... + 329083.

It is an arithmetic number, because the mean of its divisors is an integer number (5911920).

Almost surely, 2^165402496 is an apocalyptic number.

165402496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165402496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189181440).

165402496 is an abundant number, since it is smaller than the sum of its proper divisors (212960384).

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

165402496 is an equidigital number, since it uses as much as digits as its factorization.

165402496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 165402496 is about 12860.8901713684. The cubic root of 165402496 is about 548.9262754586.

The spelling of 165402496 in words is "one hundred sixty-five million, four hundred two thousand, four hundred ninety-six".