162056369 has 4 divisors (see below), whose sum is σ = 162254580. Its totient is φ = 161858160.

The previous prime is 162056333. The next prime is 162056383. The reversal of 162056369 is 963650261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 963650261 = 7 ⋅137664323.

It can be written as a sum of positive squares in 2 ways, for example, as 108576400 + 53479969 = 10420^2 + 7313^2 .

It is a cyclic number.

It is not a de Polignac number, because 162056369 - 2⁸ = 162056113 is a prime.

It is a super-2 number, since 2×162056369² = 52524533466928322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162056399) 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, 97874 + ... + 99515.

It is an arithmetic number, because the mean of its divisors is an integer number (40563645).

Almost surely, 2^162056369 is an apocalyptic number.

It is an amenable number.

162056369 is a deficient number, since it is larger than the sum of its proper divisors (198211).

162056369 is an equidigital number, since it uses as much as digits as its factorization.

162056369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198210.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 162056369 is about 12730.1362522166. The cubic root of 162056369 is about 545.1993984624.

The spelling of 162056369 in words is "one hundred sixty-two million, fifty-six thousand, three hundred sixty-nine".