172064011 has 4 divisors (see below), whose sum is σ = 196644592. Its totient is φ = 147483432.

The previous prime is 172063979. The next prime is 172064017. The reversal of 172064011 is 110460271.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 172064011 - 2⁵ = 172063979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172064017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12290280 + ... + 12290293.

It is an arithmetic number, because the mean of its divisors is an integer number (49161148).

Almost surely, 2^172064011 is an apocalyptic number.

172064011 is a deficient number, since it is larger than the sum of its proper divisors (24580581).

172064011 is an equidigital number, since it uses as much as digits as its factorization.

172064011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24580580.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 172064011 is about 13117.3172180900. The cubic root of 172064011 is about 556.1987572877.

The spelling of 172064011 in words is "one hundred seventy-two million, sixty-four thousand, eleven".