116664626065 has 32 divisors (see below), whose sum is σ = 151497545472. Its totient is φ = 85735584000.

The previous prime is 116664626053. The next prime is 116664626087. The reversal of 116664626065 is 560626466611.

It is a happy number.

It is not a de Polignac number, because 116664626065 - 2¹³ = 116664617873 is a prime.

It is a super-2 number, since 2×116664626065² (a number of 23 digits) contains 22 as substring.

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, 13357750 + ... + 13366480.

It is an arithmetic number, because the mean of its divisors is an integer number (4734298296).

Almost surely, 2^116664626065 is an apocalyptic number.

It is an amenable number.

116664626065 is a deficient number, since it is larger than the sum of its proper divisors (34832919407).

116664626065 is a wasteful number, since it uses less digits than its factorization.

116664626065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9721.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 116664626065 in words is "one hundred sixteen billion, six hundred sixty-four million, six hundred twenty-six thousand, sixty-five".