172665083 has 2 divisors, whose sum is σ = 172665084. Its totient is φ = 172665082.

The previous prime is 172665067. The next prime is 172665091. The reversal of 172665083 is 380566271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172665083 - 2⁴ = 172665067 is a prime.

It is not a weakly prime, because it can be changed into another prime (172625083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86332541 + 86332542.

It is an arithmetic number, because the mean of its divisors is an integer number (86332542).

Almost surely, 2^172665083 is an apocalyptic number.

172665083 is a deficient number, since it is larger than the sum of its proper divisors (1).

172665083 is an equidigital number, since it uses as much as digits as its factorization.

172665083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 172665083 is about 13140.2086360910. The cubic root of 172665083 is about 556.8456618179.

The spelling of 172665083 in words is "one hundred seventy-two million, six hundred sixty-five thousand, eighty-three".