166750823860 has 24 divisors (see below), whose sum is σ = 365401806336. Its totient is φ = 63800315040.

The previous prime is 166750823821. The next prime is 166750823879. The reversal of 166750823860 is 68328057661.

It is a junction number, because it is equal to n+sod(n) for n = 166750823798 and 166750823807.

It is a congruent number.

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, 181250436 + ... + 181251355.

It is an arithmetic number, because the mean of its divisors is an integer number (15225075264).

Almost surely, 2^166750823860 is an apocalyptic number.

166750823860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166750823860 is an abundant number, since it is smaller than the sum of its proper divisors (198650982476).

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

166750823860 is a wasteful number, since it uses less digits than its factorization.

166750823860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362501823 (or 362501821 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 166750823860 in words is "one hundred sixty-six billion, seven hundred fifty million, eight hundred twenty-three thousand, eight hundred sixty".