172133066 has 8 divisors (see below), whose sum is σ = 295085280. Its totient is φ = 73771308.

The previous prime is 172132997. The next prime is 172133099. The reversal of 172133066 is 660331271.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 6147596 + ... + 6147623.

It is an arithmetic number, because the mean of its divisors is an integer number (36885660).

Almost surely, 2^172133066 is an apocalyptic number.

172133066 is a deficient number, since it is larger than the sum of its proper divisors (122952214).

172133066 is a wasteful number, since it uses less digits than its factorization.

172133066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12295228.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 172133066 is about 13119.9491614869. The cubic root of 172133066 is about 556.2731543448.

The spelling of 172133066 in words is "one hundred seventy-two million, one hundred thirty-three thousand, sixty-six".