2186628136 has 48 divisors (see below), whose sum is σ = 5202887040. Its totient is φ = 851931360.

The previous prime is 2186628127. The next prime is 2186628149. The reversal of 2186628136 is 6318266812.

It is a junction number, because it is equal to n+sod(n) for n = 2186628092 and 2186628101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249240 + ... + 257863.

It is an arithmetic number, because the mean of its divisors is an integer number (108393480).

Almost surely, 2^2186628136 is an apocalyptic number.

It is an amenable number.

2186628136 is an abundant number, since it is smaller than the sum of its proper divisors (3016258904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2186628136 is a wasteful number, since it uses less digits than its factorization.

2186628136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507134 (or 507123 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 2186628136 is about 46761.3957875511. The cubic root of 2186628136 is about 1297.9510397383.

The spelling of 2186628136 in words is "two billion, one hundred eighty-six million, six hundred twenty-eight thousand, one hundred thirty-six".