2162673855 has 24 divisors (see below), whose sum is σ = 3760484832. Its totient is φ = 1149779904.

The previous prime is 2162673833. The next prime is 2162673871. The reversal of 2162673855 is 5583762612.

2162673855 is a `hidden beast` number, since 2 + 1 + 6 + 267 + 385 + 5 = 666.

It is not a de Polignac number, because 2162673855 - 2⁵ = 2162673823 is a prime.

It is a super-2 number, since 2×2162673855² = 9354316406201122050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2162673855.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61539 + ... + 90068.

It is an arithmetic number, because the mean of its divisors is an integer number (156686868).

Almost surely, 2^2162673855 is an apocalyptic number.

2162673855 is a deficient number, since it is larger than the sum of its proper divisors (1597810977).

2162673855 is a wasteful number, since it uses less digits than its factorization.

2162673855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151935 (or 151932 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 2162673855 is about 46504.5573573171. The cubic root of 2162673855 is about 1293.1939872205.

It can be divided in two parts, 21626 and 73855, that added together give a square (95481 = 309²).

The spelling of 2162673855 in words is "two billion, one hundred sixty-two million, six hundred seventy-three thousand, eight hundred fifty-five".