133560166 has 8 divisors (see below), whose sum is σ = 200399184. Its totient is φ = 66760440.

The previous prime is 133560151. The next prime is 133560169. The reversal of 133560166 is 661065331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133560169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111 + ... + 16381.

It is an arithmetic number, because the mean of its divisors is an integer number (25049898).

Almost surely, 2^133560166 is an apocalyptic number.

133560166 is a deficient number, since it is larger than the sum of its proper divisors (66839018).

133560166 is a wasteful number, since it uses less digits than its factorization.

133560166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19646.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 133560166 is about 11556.8233524615. The cubic root of 133560166 is about 511.1624974835.

The spelling of 133560166 in words is "one hundred thirty-three million, five hundred sixty thousand, one hundred sixty-six".