166695528960 has 320 divisors, whose sum is σ = 594209468160. Its totient is φ = 44295045120.

The previous prime is 166695528947. The next prime is 166695528997. The reversal of 166695528960 is 69825596661.

166695528960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (320).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20248045 + ... + 20256275.

It is an arithmetic number, because the mean of its divisors is an integer number (1856904588).

Almost surely, 2^166695528960 is an apocalyptic number.

166695528960 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 166695528960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297104734080).

166695528960 is an abundant number, since it is smaller than the sum of its proper divisors (427513939200).

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

166695528960 is an equidigital number, since it uses as much as digits as its factorization.

166695528960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8556 (or 8534 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 63.

The spelling of 166695528960 in words is "one hundred sixty-six billion, six hundred ninety-five million, five hundred twenty-eight thousand, nine hundred sixty".