165325562200 has 96 divisors (see below), whose sum is σ = 385901818560. Its totient is φ = 65869315200.

The previous prime is 165325562167. The next prime is 165325562209. The reversal of 165325562200 is 2265523561.

It is a self number, because there is not a number n which added to its sum of digits gives 165325562200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165325562209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69727015 + ... + 69729385.

It is an arithmetic number, because the mean of its divisors is an integer number (4019810610).

Almost surely, 2^165325562200 is an apocalyptic number.

165325562200 is a gapful number since it is divisible by the number (10) 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 165325562200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192950909280).

165325562200 is an abundant number, since it is smaller than the sum of its proper divisors (220576256360).

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

165325562200 is a wasteful number, since it uses less digits than its factorization.

165325562200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617 (or 3608 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 165325562200 in words is "one hundred sixty-five billion, three hundred twenty-five million, five hundred sixty-two thousand, two hundred".