2116186315386 has 64 divisors (see below), whose sum is σ = 4973995676160. Its totient is φ = 591738114240.

The previous prime is 2116186315349. The next prime is 2116186315469. The reversal of 2116186315386 is 6835136816112.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2102061 + ... + 2941263.

It is an arithmetic number, because the mean of its divisors is an integer number (77718682440).

Almost surely, 2^{2116186315386} is an apocalyptic number.

2116186315386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2116186315386 is an abundant number, since it is smaller than the sum of its proper divisors (2857809360774).

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

2116186315386 is a wasteful number, since it uses less digits than its factorization.

2116186315386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842171.

The product of its digits is 1244160, while the sum is 51.

The spelling of 2116186315386 in words is "two trillion, one hundred sixteen billion, one hundred eighty-six million, three hundred fifteen thousand, three hundred eighty-six".