122660165999 has 8 divisors (see below), whose sum is σ = 140201608608. Its totient is φ = 105123363840.

The previous prime is 122660165987. The next prime is 122660166037. The reversal of 122660165999 is 999561066221.

It is a happy number.

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 122660165999 - 2³⁶ = 53940689263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122660165959) 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, 1103282 + ... + 1209359.

It is an arithmetic number, because the mean of its divisors is an integer number (17525201076).

Almost surely, 2^122660165999 is an apocalyptic number.

122660165999 is a deficient number, since it is larger than the sum of its proper divisors (17541442609).

122660165999 is an equidigital number, since it uses as much as digits as its factorization.

122660165999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320225.

The product of its (nonzero) digits is 3149280, while the sum is 56.

The spelling of 122660165999 in words is "one hundred twenty-two billion, six hundred sixty million, one hundred sixty-five thousand, nine hundred ninety-nine".