162218055 has 16 divisors (see below), whose sum is σ = 263424384. Its totient is φ = 85224480.

The previous prime is 162218041. The next prime is 162218117. The reversal of 162218055 is 550812261.

It is not a de Polignac number, because 162218055 - 2⁸ = 162217799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79701 + ... + 81710.

It is an arithmetic number, because the mean of its divisors is an integer number (16464024).

Almost surely, 2^162218055 is an apocalyptic number.

162218055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

162218055 is a deficient number, since it is larger than the sum of its proper divisors (101206329).

162218055 is a wasteful number, since it uses less digits than its factorization.

162218055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161486.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 162218055 is about 12736.4851901928. The cubic root of 162218055 is about 545.3806559886.

The spelling of 162218055 in words is "one hundred sixty-two million, two hundred eighteen thousand, fifty-five".