162020655 has 20 divisors (see below), whose sum is σ = 290437752. Its totient is φ = 86410800.

The previous prime is 162020647. The next prime is 162020699. The reversal of 162020655 is 556020261.

162020655 is a `hidden beast` number, since 1 + 6 + 2 + 0 + 2 + 0 + 655 = 666.

It is not a de Polignac number, because 162020655 - 2³ = 162020647 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 199621 + ... + 200430.

Almost surely, 2^162020655 is an apocalyptic number.

162020655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

162020655 is a deficient number, since it is larger than the sum of its proper divisors (128417097).

162020655 is an equidigital number, since it uses as much as digits as its factorization.

162020655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400068 (or 400059 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 162020655 is about 12728.7334405274. The cubic root of 162020655 is about 545.1593451526.

It can be divided in two parts, 1620206 and 55, that added together give a palindrome (1620261).

The spelling of 162020655 in words is "one hundred sixty-two million, twenty thousand, six hundred fifty-five".