162522090 has 96 divisors (see below), whose sum is σ = 443635920. Its totient is φ = 41223168.

The previous prime is 162522079. The next prime is 162522109. The reversal of 162522090 is 90225261.

It can be written as a sum of positive squares in 8 ways, for example, as 35892081 + 126630009 = 5991^2 + 11253^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190104 + ... + 190956.

Almost surely, 2^162522090 is an apocalyptic number.

162522090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 162522090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221817960).

162522090 is an abundant number, since it is smaller than the sum of its proper divisors (281113830).

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

162522090 is a wasteful number, since it uses less digits than its factorization.

162522090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 162522090 is about 12748.4151956233. The cubic root of 162522090 is about 545.7211674551.

The spelling of 162522090 in words is "one hundred sixty-two million, five hundred twenty-two thousand, ninety".