166666116615144 has 32 divisors (see below), whose sum is σ = 430106107395840. Its totient is φ = 53763263424000.

The previous prime is 166666116615133. The next prime is 166666116615241. The reversal of 166666116615144 is 441516611666661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112006798057 + ... + 112006799544.

It is an arithmetic number, because the mean of its divisors is an integer number (13440815856120).

Almost surely, 2^{166666116615144} is an apocalyptic number.

It is an amenable number.

166666116615144 is an abundant number, since it is smaller than the sum of its proper divisors (263439990780696).

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

166666116615144 is a wasteful number, since it uses less digits than its factorization.

166666116615144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224013597641 (or 224013597637 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 60.

The spelling of 166666116615144 in words is "one hundred sixty-six trillion, six hundred sixty-six billion, one hundred sixteen million, six hundred fifteen thousand, one hundred forty-four".