66034173 has 16 divisors (see below), whose sum is σ = 92914560. Its totient is φ = 41631744.

The previous prime is 66034151. The next prime is 66034183. The reversal of 66034173 is 37143066.

It is not a de Polignac number, because 66034173 - 2⁵ = 66034141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66034173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66034183) 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, 765 + ... + 11517.

It is an arithmetic number, because the mean of its divisors is an integer number (5807160).

Almost surely, 2^66034173 is an apocalyptic number.

It is an amenable number.

66034173 is a deficient number, since it is larger than the sum of its proper divisors (26880387).

66034173 is a wasteful number, since it uses less digits than its factorization.

66034173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10868.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 66034173 is about 8126.1413352218. The cubic root of 66034173 is about 404.1937381567.

The spelling of 66034173 in words is "sixty-six million, thirty-four thousand, one hundred seventy-three".