632166011 has 4 divisors (see below), whose sum is σ = 632439312. Its totient is φ = 631892712.

The previous prime is 632166001. The next prime is 632166019. The reversal of 632166011 is 110661236.

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 632166011 - 2²⁶ = 565057147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632166019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133151 + ... + 137816.

It is an arithmetic number, because the mean of its divisors is an integer number (158109828).

Almost surely, 2^632166011 is an apocalyptic number.

632166011 is a deficient number, since it is larger than the sum of its proper divisors (273301).

632166011 is a wasteful number, since it uses less digits than its factorization.

632166011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273300.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 632166011 is about 25142.9117446647. The cubic root of 632166011 is about 858.2432187754.

The spelling of 632166011 in words is "six hundred thirty-two million, one hundred sixty-six thousand, eleven".