172084066 has 32 divisors (see below), whose sum is σ = 325721088. Its totient is φ = 66233040.

The previous prime is 172084051. The next prime is 172084109. The reversal of 172084066 is 660480271.

It is a super-2 number, since 2×172084066² = 59225851542184712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6051 + ... + 19513.

It is an arithmetic number, because the mean of its divisors is an integer number (10178784).

Almost surely, 2^172084066 is an apocalyptic number.

172084066 is a deficient number, since it is larger than the sum of its proper divisors (153637022).

172084066 is a wasteful number, since it uses less digits than its factorization.

172084066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13566.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 172084066 is about 13118.0816432892. The cubic root of 172084066 is about 556.2203657823.

The spelling of 172084066 in words is "one hundred seventy-two million, eighty-four thousand, sixty-six".