2116665706610 has 32 divisors (see below), whose sum is σ = 4689228644352. Its totient is φ = 669889805760.

The previous prime is 2116665706513. The next prime is 2116665706619. The reversal of 2116665706610 is 166075666112.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2116665706619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163002226 + ... + 1163004045.

It is an arithmetic number, because the mean of its divisors is an integer number (146538395136).

Almost surely, 2^{2116665706610} is an apocalyptic number.

2116665706610 is an abundant number, since it is smaller than the sum of its proper divisors (2572562937742).

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

2116665706610 is a wasteful number, since it uses less digits than its factorization.

2116665706610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326006298.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 2116665706610 in words is "two trillion, one hundred sixteen billion, six hundred sixty-five million, seven hundred six thousand, six hundred ten".