172064611 has 2 divisors, whose sum is σ = 172064612. Its totient is φ = 172064610.

The previous prime is 172064579. The next prime is 172064617. The reversal of 172064611 is 116460271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172064611 - 2⁵ = 172064579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172064611.

It is not a weakly prime, because it can be changed into another prime (172064617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86032305 + 86032306.

It is an arithmetic number, because the mean of its divisors is an integer number (86032306).

Almost surely, 2^172064611 is an apocalyptic number.

172064611 is a deficient number, since it is larger than the sum of its proper divisors (1).

172064611 is an equidigital number, since it uses as much as digits as its factorization.

172064611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 172064611 is about 13117.3400886003. The cubic root of 172064611 is about 556.1994037891.

The spelling of 172064611 in words is "one hundred seventy-two million, sixty-four thousand, six hundred eleven".