166683235804530 has 16 divisors (see below), whose sum is σ = 400039765930944. Its totient is φ = 44448862881200.

The previous prime is 166683235804483. The next prime is 166683235804619. The reversal of 166683235804530 is 35408532386661.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 2778053930046 + ... + 2778053930105.

It is an arithmetic number, because the mean of its divisors is an integer number (25002485370684).

Almost surely, 2^{166683235804530} is an apocalyptic number.

166683235804530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166683235804530 is an abundant number, since it is smaller than the sum of its proper divisors (233356530126414).

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

166683235804530 is a wasteful number, since it uses less digits than its factorization.

166683235804530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556107860161.

The product of its (nonzero) digits is 74649600, while the sum is 60.

The spelling of 166683235804530 in words is "one hundred sixty-six trillion, six hundred eighty-three billion, two hundred thirty-five million, eight hundred four thousand, five hundred thirty".