162522641 has 4 divisors (see below), whose sum is σ = 168126900. Its totient is φ = 156918384.

The previous prime is 162522617. The next prime is 162522649. The reversal of 162522641 is 146225261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81450625 + 81072016 = 9025^2 + 9004^2 .

It is a cyclic number.

It is not a de Polignac number, because 162522641 - 2¹⁰ = 162521617 is a prime.

It is a super-2 number, since 2×162522641² = 52827217675229762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 5604229 = 162522641 / (1 + 6 + 2 + 5 + 2 + 2 + 6 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162522649) 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, 2802086 + ... + 2802143.

It is an arithmetic number, because the mean of its divisors is an integer number (42031725).

Almost surely, 2^162522641 is an apocalyptic number.

It is an amenable number.

162522641 is a deficient number, since it is larger than the sum of its proper divisors (5604259).

162522641 is an equidigital number, since it uses as much as digits as its factorization.

162522641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5604258.

The product of its digits is 5760, while the sum is 29.

The square root of 162522641 is about 12748.4368061343. The cubic root of 162522641 is about 545.7217841754.

The spelling of 162522641 in words is "one hundred sixty-two million, five hundred twenty-two thousand, six hundred forty-one".