166001752 has 64 divisors (see below), whose sum is σ = 364032000. Its totient is φ = 69503616.

The previous prime is 166001749. The next prime is 166001779. The reversal of 166001752 is 257100661.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 166001752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694449 + ... + 694687.

It is an arithmetic number, because the mean of its divisors is an integer number (5688000).

Almost surely, 2^166001752 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 166001752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182016000).

166001752 is an abundant number, since it is smaller than the sum of its proper divisors (198030248).

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

166001752 is a wasteful number, since it uses less digits than its factorization.

166001752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 166001752 is about 12884.1667173318. The cubic root of 166001752 is about 549.5883994876.

It can be divided in two parts, 166001 and 752, that added together give a triangular number (166753 = T₅₇₇).

The spelling of 166001752 in words is "one hundred sixty-six million, one thousand, seven hundred fifty-two".