162261115 has 16 divisors (see below), whose sum is σ = 199459008. Its totient is φ = 126683136.

The previous prime is 162261109. The next prime is 162261131. The reversal of 162261115 is 511162261.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 162261115 - 2¹⁷ = 162130043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162261115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33114 + ... + 37696.

It is an arithmetic number, because the mean of its divisors is an integer number (12466188).

Almost surely, 2^162261115 is an apocalyptic number.

162261115 is a deficient number, since it is larger than the sum of its proper divisors (37197893).

162261115 is an equidigital number, since it uses as much as digits as its factorization.

162261115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758.

The product of its digits is 720, while the sum is 25.

The square root of 162261115 is about 12738.1754972994. The cubic root of 162261115 is about 545.4289079406.

The spelling of 162261115 in words is "one hundred sixty-two million, two hundred sixty-one thousand, one hundred fifteen".