2116405185186 has 64 divisors (see below), whose sum is σ = 4626780742656. Its totient is φ = 642495283200.

The previous prime is 2116405185173. The next prime is 2116405185289. The reversal of 2116405185186 is 6815815046112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48549696 + ... + 48593268.

It is an arithmetic number, because the mean of its divisors is an integer number (72293449104).

Almost surely, 2^{2116405185186} is an apocalyptic number.

2116405185186 is an abundant number, since it is smaller than the sum of its proper divisors (2510375557470).

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

2116405185186 is a wasteful number, since it uses less digits than its factorization.

2116405185186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58987.

The product of its (nonzero) digits is 460800, while the sum is 48.

The spelling of 2116405185186 in words is "two trillion, one hundred sixteen billion, four hundred five million, one hundred eighty-five thousand, one hundred eighty-six".