116665522123 has 8 divisors (see below), whose sum is σ = 118786504320. Its totient is φ = 114551263680.

The previous prime is 116665522093. The next prime is 116665522153. The reversal of 116665522123 is 321225566611.

It is an interprime number because it is at equal distance from previous prime (116665522093) and next prime (116665522153).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116665522123 - 2⁵ = 116665522091 is a prime.

It is a super-2 number, since 2×116665522123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116665522153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645915 + ... + 1715332.

It is an arithmetic number, because the mean of its divisors is an integer number (14848313040).

Almost surely, 2^116665522123 is an apocalyptic number.

116665522123 is a deficient number, since it is larger than the sum of its proper divisors (2120982197).

116665522123 is an equidigital number, since it uses as much as digits as its factorization.

116665522123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361877.

The product of its digits is 129600, while the sum is 40.

The spelling of 116665522123 in words is "one hundred sixteen billion, six hundred sixty-five million, five hundred twenty-two thousand, one hundred twenty-three".