164255120 has 20 divisors (see below), whose sum is σ = 381893340. Its totient is φ = 65702016.

The previous prime is 164255089. The next prime is 164255129. The reversal of 164255120 is 21552461.

It can be written as a sum of positive squares in 2 ways, for example, as 48219136 + 116035984 = 6944^2 + 10772^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 164255120.

It is not an unprimeable number, because it can be changed into a prime (164255129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026515 + ... + 1026674.

It is an arithmetic number, because the mean of its divisors is an integer number (19094667).

Almost surely, 2^164255120 is an apocalyptic number.

164255120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164255120 is an abundant number, since it is smaller than the sum of its proper divisors (217638220).

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

164255120 is a wasteful number, since it uses less digits than its factorization.

164255120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053202 (or 2053196 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 164255120 is about 12816.2053666442. The cubic root of 164255120 is about 547.6540519911.

The spelling of 164255120 in words is "one hundred sixty-four million, two hundred fifty-five thousand, one hundred twenty".