166471380570 has 32 divisors (see below), whose sum is σ = 435852342720. Its totient is φ = 40356698240.

The previous prime is 166471380541. The next prime is 166471380629. The reversal of 166471380570 is 75083174661.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252229035 + ... + 252229694.

It is an arithmetic number, because the mean of its divisors is an integer number (13620385710).

Almost surely, 2^166471380570 is an apocalyptic number.

166471380570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166471380570 is an abundant number, since it is smaller than the sum of its proper divisors (269380962150).

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

166471380570 is a wasteful number, since it uses less digits than its factorization.

166471380570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504458750.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 166471380570 in words is "one hundred sixty-six billion, four hundred seventy-one million, three hundred eighty thousand, five hundred seventy".