166195726 has 16 divisors (see below), whose sum is σ = 252421344. Its totient is φ = 82059264.

The previous prime is 166195721. The next prime is 166195739. The reversal of 166195726 is 627591661.

166195726 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166195721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143566 + ... + 144718.

It is an arithmetic number, because the mean of its divisors is an integer number (15776334).

Almost surely, 2^166195726 is an apocalyptic number.

166195726 is a deficient number, since it is larger than the sum of its proper divisors (86225618).

166195726 is a wasteful number, since it uses less digits than its factorization.

166195726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995.

The product of its digits is 136080, while the sum is 43.

The square root of 166195726 is about 12891.6921309811. The cubic root of 166195726 is about 549.8023818958.

The spelling of 166195726 in words is "one hundred sixty-six million, one hundred ninety-five thousand, seven hundred twenty-six".