166983043584 has 480 divisors, whose sum is σ = 540730498176. Its totient is φ = 45612564480.

The previous prime is 166983043531. The next prime is 166983043603. The reversal of 166983043584 is 485340389661.

It is a super-3 number, since 3×166983043584³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169870357 + ... + 169871339.

Almost surely, 2^166983043584 is an apocalyptic number.

166983043584 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166983043584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270365249088).

166983043584 is an abundant number, since it is smaller than the sum of its proper divisors (373747454592).

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

166983043584 is an equidigital number, since it uses as much as digits as its factorization.

166983043584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 166983043584 in words is "one hundred sixty-six billion, nine hundred eighty-three million, forty-three thousand, five hundred eighty-four".