166144608 has 120 divisors (see below), whose sum is σ = 558491472. Its totient is φ = 47464704.

The previous prime is 166144579. The next prime is 166144613. The reversal of 166144608 is 806441661.

166144608 is a `hidden beast` number, since 1 + 6 + 6 + 1 + 44 + 608 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 13566 + ... + 22722.

Almost surely, 2^166144608 is an apocalyptic number.

166144608 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 166144608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279245736).

166144608 is an abundant number, since it is smaller than the sum of its proper divisors (392346864).

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

166144608 is an equidigital number, since it uses as much as digits as its factorization.

166144608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9186 (or 9169 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 166144608 is about 12889.7093838457. The cubic root of 166144608 is about 549.7460072408.

The spelling of 166144608 in words is "one hundred sixty-six million, one hundred forty-four thousand, six hundred eight".