66233011 has 8 divisors (see below), whose sum is σ = 72846144. Its totient is φ = 59836800.

The previous prime is 66232981. The next prime is 66233021. The reversal of 66233011 is 11033266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66233011 - 2⁷ = 66232883 is a prime.

It is a super-2 number, since 2×66233011² = 8773623492252242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66233021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53590 + ... + 54811.

It is an arithmetic number, because the mean of its divisors is an integer number (9105768).

Almost surely, 2^66233011 is an apocalyptic number.

66233011 is a deficient number, since it is larger than the sum of its proper divisors (6613133).

66233011 is a wasteful number, since it uses less digits than its factorization.

66233011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108461.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 66233011 is about 8138.3666051610. The cubic root of 66233011 is about 404.5990259952.

Adding to 66233011 its reverse (11033266), we get a palindrome (77266277).

The spelling of 66233011 in words is "sixty-six million, two hundred thirty-three thousand, eleven".