162275520 has 224 divisors, whose sum is σ = 571170816. Its totient is φ = 39029760.

The previous prime is 162275513. The next prime is 162275527. The reversal of 162275520 is 25572261.

It is an interprime number because it is at equal distance from previous prime (162275513) and next prime (162275527).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (162275527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1277697 + ... + 1277823.

Almost surely, 2^162275520 is an apocalyptic number.

162275520 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 162275520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285585408).

162275520 is an abundant number, since it is smaller than the sum of its proper divisors (408895296).

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

162275520 is a wasteful number, since it uses less digits than its factorization.

162275520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 162275520 is about 12738.7409110948. The cubic root of 162275520 is about 545.4450479154.

The spelling of 162275520 in words is "one hundred sixty-two million, two hundred seventy-five thousand, five hundred twenty".