2116660784112 has 160 divisors (see below), whose sum is σ = 7245436738560. Its totient is φ = 578466282240.

The previous prime is 2116660784083. The next prime is 2116660784141. The reversal of 2116660784112 is 2114870666112.

It is an interprime number because it is at equal distance from previous prime (2116660784083) and next prime (2116660784141).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 15146839 + ... + 15285942.

It is an arithmetic number, because the mean of its divisors is an integer number (45283979616).

Almost surely, 2^{2116660784112} is an apocalyptic number.

It is an amenable number.

2116660784112 is an abundant number, since it is smaller than the sum of its proper divisors (5128775954448).

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

2116660784112 is a wasteful number, since it uses less digits than its factorization.

2116660784112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30432828 (or 30432816 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 2116660784112 in words is "two trillion, one hundred sixteen billion, six hundred sixty million, seven hundred eighty-four thousand, one hundred twelve".