166144368 has 80 divisors (see below), whose sum is σ = 464032800. Its totient is φ = 50921472.

The previous prime is 166144343. The next prime is 166144369. The reversal of 166144368 is 863441661.

166144368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166144369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279880 + ... + 280472.

It is an arithmetic number, because the mean of its divisors is an integer number (5800410).

Almost surely, 2^166144368 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 166144368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232016400).

166144368 is an abundant number, since it is smaller than the sum of its proper divisors (297888432).

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

166144368 is a wasteful number, since it uses less digits than its factorization.

166144368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1060 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 166144368 is about 12889.7000740902. The cubic root of 166144368 is about 549.7457425335.

The spelling of 166144368 in words is "one hundred sixty-six million, one hundred forty-four thousand, three hundred sixty-eight".