172333066 has 16 divisors (see below), whose sum is σ = 272994624. Its totient is φ = 81425344.

The previous prime is 172333037. The next prime is 172333069. The reversal of 172333066 is 660333271.

It is not an unprimeable number, because it can be changed into a prime (172333069) 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, 18751 + ... + 26386.

It is an arithmetic number, because the mean of its divisors is an integer number (17062164).

Almost surely, 2^172333066 is an apocalyptic number.

172333066 is a deficient number, since it is larger than the sum of its proper divisors (100661558).

172333066 is a wasteful number, since it uses less digits than its factorization.

172333066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45245.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 172333066 is about 13127.5689295467. The cubic root of 172333066 is about 556.4885140326.

The spelling of 172333066 in words is "one hundred seventy-two million, three hundred thirty-three thousand, sixty-six".