166246344 has 160 divisors (see below), whose sum is σ = 515924640. Its totient is φ = 49593600.

The previous prime is 166246337. The next prime is 166246373. The reversal of 166246344 is 443642661.

166246344 is a `hidden beast` number, since 16 + 6 + 2 + 4 + 634 + 4 = 666.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 166246299 and 166246308.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 591484 + ... + 591764.

It is an arithmetic number, because the mean of its divisors is an integer number (3224529).

Almost surely, 2^166246344 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 166246344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257962320).

166246344 is an abundant number, since it is smaller than the sum of its proper divisors (349678296).

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

166246344 is a wasteful number, since it uses less digits than its factorization.

166246344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 380 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 166246344 is about 12893.6551838491. The cubic root of 166246344 is about 549.8581937443.

The spelling of 166246344 in words is "one hundred sixty-six million, two hundred forty-six thousand, three hundred forty-four".