166900608 has 128 divisors (see below), whose sum is σ = 563040000. Its totient is φ = 47678976.

The previous prime is 166900603. The next prime is 166900651. The reversal of 166900608 is 806009661.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166900603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20743 + ... + 27641.

It is an arithmetic number, because the mean of its divisors is an integer number (4398750).

Almost surely, 2^166900608 is an apocalyptic number.

166900608 is a gapful number since it is divisible by the number (18) 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 166900608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281520000).

166900608 is an abundant number, since it is smaller than the sum of its proper divisors (396139392).

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

166900608 is an equidigital number, since it uses as much as digits as its factorization.

166900608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6929 (or 6911 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 166900608 is about 12919.0018190261. The cubic root of 166900608 is about 550.5785735242.

The spelling of 166900608 in words is "one hundred sixty-six million, nine hundred thousand, six hundred eight".