166666116353000 has 128 divisors (see below), whose sum is σ = 426493379894400. Its totient is φ = 60457678272000.

The previous prime is 166666116352987. The next prime is 166666116353017. The reversal of 166666116353000 is 353611666661.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 166666116353000.

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, 14023574 + ... + 23021573.

It is an arithmetic number, because the mean of its divisors is an integer number (3331979530425).

Almost surely, 2^{166666116353000} is an apocalyptic number.

166666116353000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166666116353000 is an abundant number, since it is smaller than the sum of its proper divisors (259827263541400).

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

166666116353000 is a wasteful number, since it uses less digits than its factorization.

166666116353000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37045588 (or 37045574 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 166666116353000 in words is "one hundred sixty-six trillion, six hundred sixty-six billion, one hundred sixteen million, three hundred fifty-three thousand".