166162344 has 64 divisors (see below), whose sum is σ = 432432000. Its totient is φ = 53141760.

The previous prime is 166162313. The next prime is 166162361. The reversal of 166162344 is 443261661.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125317 + ... + 126635.

It is an arithmetic number, because the mean of its divisors is an integer number (6756750).

Almost surely, 2^166162344 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 166162344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216216000).

166162344 is an abundant number, since it is smaller than the sum of its proper divisors (266269656).

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

166162344 is a wasteful number, since it uses less digits than its factorization.

166162344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538 (or 1534 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 166162344 is about 12890.3973561718. The cubic root of 166162344 is about 549.7655684098.

The spelling of 166162344 in words is "one hundred sixty-six million, one hundred sixty-two thousand, three hundred forty-four".