166285704 has 128 divisors (see below), whose sum is σ = 480090240. Its totient is φ = 47542272.

The previous prime is 166285703. The next prime is 166285723. The reversal of 166285704 is 407582661.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (166285703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 567382 + ... + 567674.

It is an arithmetic number, because the mean of its divisors is an integer number (3750705).

Almost surely, 2^166285704 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 166285704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240045120).

166285704 is an abundant number, since it is smaller than the sum of its proper divisors (313804536).

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

166285704 is a wasteful number, since it uses less digits than its factorization.

166285704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 166285704 is about 12895.1814256334. The cubic root of 166285704 is about 549.9015845947.

The spelling of 166285704 in words is "one hundred sixty-six million, two hundred eighty-five thousand, seven hundred four".