166341660560 has 160 divisors (see below), whose sum is σ = 416531673600. Its totient is φ = 61590896640.

The previous prime is 166341660559. The next prime is 166341660587. The reversal of 166341660560 is 65066143661.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11640620 + ... + 11654900.

It is an arithmetic number, because the mean of its divisors is an integer number (2603322960).

Almost surely, 2^166341660560 is an apocalyptic number.

166341660560 is a gapful number since it is divisible by the number (10) 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 166341660560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208265836800).

166341660560 is an abundant number, since it is smaller than the sum of its proper divisors (250190013040).

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

166341660560 is a wasteful number, since it uses less digits than its factorization.

166341660560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14489 (or 14483 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 166341660560 in words is "one hundred sixty-six billion, three hundred forty-one million, six hundred sixty thousand, five hundred sixty".