2116145636 has 24 divisors (see below), whose sum is σ = 4215564864. Its totient is φ = 920062880.

The previous prime is 2116145623. The next prime is 2116145651. The reversal of 2116145636 is 6365416112.

It is a junction number, because it is equal to n+sod(n) for n = 2116145596 and 2116145605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044515 + ... + 1046538.

It is an arithmetic number, because the mean of its divisors is an integer number (175648536).

Almost surely, 2^2116145636 is an apocalyptic number.

It is an amenable number.

2116145636 is a deficient number, since it is larger than the sum of its proper divisors (2099419228).

2116145636 is a wasteful number, since it uses less digits than its factorization.

2116145636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091091 (or 2091089 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 2116145636 is about 46001.5829727630. The cubic root of 2116145636 is about 1283.8526574327.

The spelling of 2116145636 in words is "two billion, one hundred sixteen million, one hundred forty-five thousand, six hundred thirty-six".