166679029 has 16 divisors (see below), whose sum is σ = 185163264. Its totient is φ = 148777200.

The previous prime is 166679027. The next prime is 166679041. The reversal of 166679029 is 920976661.

It is not a de Polignac number, because 166679029 - 2¹ = 166679027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166679029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166679027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147862 + ... + 148984.

It is an arithmetic number, because the mean of its divisors is an integer number (11572704).

Almost surely, 2^166679029 is an apocalyptic number.

It is an amenable number.

166679029 is a deficient number, since it is larger than the sum of its proper divisors (18484235).

166679029 is a wasteful number, since it uses less digits than its factorization.

166679029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 166679029 is about 12910.4232695911. The cubic root of 166679029 is about 550.3348143211.

It can be divided in two parts, 166 and 679029, that added together give a triangular number (679195 = T₁₁₆₅).

The spelling of 166679029 in words is "one hundred sixty-six million, six hundred seventy-nine thousand, twenty-nine".