162645055 has 4 divisors (see below), whose sum is σ = 195174072. Its totient is φ = 130116040.

The previous prime is 162645053. The next prime is 162645061. The reversal of 162645055 is 550546261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550546261 = 19 ⋅28976119.

It is not a de Polignac number, because 162645055 - 2¹ = 162645053 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 162645055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162645053) 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, 16264501 + ... + 16264510.

It is an arithmetic number, because the mean of its divisors is an integer number (48793518).

Almost surely, 2^162645055 is an apocalyptic number.

162645055 is a deficient number, since it is larger than the sum of its proper divisors (32529017).

162645055 is an equidigital number, since it uses as much as digits as its factorization.

162645055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32529016.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 162645055 is about 12753.2370400616. The cubic root of 162645055 is about 545.8587645177.

The spelling of 162645055 in words is "one hundred sixty-two million, six hundred forty-five thousand, fifty-five".