166070688 has 96 divisors (see below), whose sum is σ = 527554944. Its totient is φ = 44654592.

The previous prime is 166070683. The next prime is 166070717. The reversal of 166070688 is 886070661.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (166070683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4156 + ... + 18692.

It is an arithmetic number, because the mean of its divisors is an integer number (5495364).

Almost surely, 2^166070688 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 166070688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263777472).

166070688 is an abundant number, since it is smaller than the sum of its proper divisors (361484256).

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

166070688 is a wasteful number, since it uses less digits than its factorization.

166070688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14574 (or 14566 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 166070688 is about 12886.8416611674. The cubic root of 166070688 is about 549.6644653168.

The spelling of 166070688 in words is "one hundred sixty-six million, seventy thousand, six hundred eighty-eight".