166761792 has 84 divisors (see below), whose sum is σ = 483511860. Its totient is φ = 54945792.

The previous prime is 166761779. The next prime is 166761817. The reversal of 166761792 is 297167661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 114575616 + 52186176 = 10704^2 + 7224^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49638 + ... + 52890.

Almost surely, 2^166761792 is an apocalyptic number.

166761792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166761792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241755930).

166761792 is an abundant number, since it is smaller than the sum of its proper divisors (316750068).

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

166761792 is a wasteful number, since it uses less digits than its factorization.

166761792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360 (or 3347 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 166761792 is about 12913.6281501366. The cubic root of 166761792 is about 550.4258872131.

The spelling of 166761792 in words is "one hundred sixty-six million, seven hundred sixty-one thousand, seven hundred ninety-two".