162255361 has 4 divisors (see below), whose sum is σ = 171799812. Its totient is φ = 152710912.

The previous prime is 162255347. The next prime is 162255367. The reversal of 162255361 is 163552261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163552261 = 401 ⋅407861.

It can be written as a sum of positive squares in 2 ways, for example, as 87329025 + 74926336 = 9345^2 + 8656^2 .

It is a cyclic number.

It is not a de Polignac number, because 162255361 - 2¹¹ = 162253313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162255367) 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, 4772200 + ... + 4772233.

It is an arithmetic number, because the mean of its divisors is an integer number (42949953).

Almost surely, 2^162255361 is an apocalyptic number.

It is an amenable number.

162255361 is a deficient number, since it is larger than the sum of its proper divisors (9544451).

162255361 is an equidigital number, since it uses as much as digits as its factorization.

162255361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9544450.

The product of its digits is 10800, while the sum is 31.

The square root of 162255361 is about 12737.9496387763. The cubic root of 162255361 is about 545.4224606473.

The spelling of 162255361 in words is "one hundred sixty-two million, two hundred fifty-five thousand, three hundred sixty-one".