166725827488 has 96 divisors (see below), whose sum is σ = 377108706240. Its totient is φ = 71761397760.

The previous prime is 166725827479. The next prime is 166725827501. The reversal of 166725827488 is 884728527661.

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 15 ways as a sum of consecutive naturals, for example, 18006156 + ... + 18015412.

It is an arithmetic number, because the mean of its divisors is an integer number (3928215690).

Almost surely, 2^166725827488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166725827488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188554353120).

166725827488 is an abundant number, since it is smaller than the sum of its proper divisors (210382878752).

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

166725827488 is a wasteful number, since it uses less digits than its factorization.

166725827488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11990 (or 11982 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 64.

The spelling of 166725827488 in words is "one hundred sixty-six billion, seven hundred twenty-five million, eight hundred twenty-seven thousand, four hundred eighty-eight".