166913850 has 48 divisors (see below), whose sum is σ = 428231520. Its totient is φ = 42974400.

The previous prime is 166913849. The next prime is 166913861. The reversal of 166913850 is 58319661.

It is a junction number, because it is equal to n+sod(n) for n = 166913799 and 166913808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14836 + ... + 23535.

It is an arithmetic number, because the mean of its divisors is an integer number (8921490).

Almost surely, 2^166913850 is an apocalyptic number.

166913850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166913850 is an abundant number, since it is smaller than the sum of its proper divisors (261317670).

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

166913850 is a wasteful number, since it uses less digits than its factorization.

166913850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38415 (or 38410 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 166913850 is about 12919.5143097564. The cubic root of 166913850 is about 550.5931342235.

The spelling of 166913850 in words is "one hundred sixty-six million, nine hundred thirteen thousand, eight hundred fifty".