122660166015 has 24 divisors (see below), whose sum is σ = 216622486080. Its totient is φ = 64184437824.

The previous prime is 122660165987. The next prime is 122660166037. The reversal of 122660166015 is 510661066221.

122660166015 is a `hidden beast` number, since 12 + 26 + 6 + 0 + 16 + 601 + 5 = 666.

It is not a de Polignac number, because 122660166015 - 2⁶ = 122660165951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25712535 + ... + 25717304.

It is an arithmetic number, because the mean of its divisors is an integer number (9025936920).

Almost surely, 2^122660166015 is an apocalyptic number.

122660166015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122660166015 is a deficient number, since it is larger than the sum of its proper divisors (93962320065).

122660166015 is a wasteful number, since it uses less digits than its factorization.

122660166015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51429903 (or 51429900 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 122660166015 in words is "one hundred twenty-two billion, six hundred sixty million, one hundred sixty-six thousand, fifteen".