133011663 has 8 divisors (see below), whose sum is σ = 177448368. Its totient is φ = 88624704.

The previous prime is 133011653. The next prime is 133011701. The reversal of 133011663 is 366110331.

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

It is not a de Polignac number, because 133011663 - 2¹⁰ = 133010639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133011653) 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, 5670 + ... + 17267.

It is an arithmetic number, because the mean of its divisors is an integer number (22181046).

Almost surely, 2^133011663 is an apocalyptic number.

133011663 is a deficient number, since it is larger than the sum of its proper divisors (44436705).

133011663 is a wasteful number, since it uses less digits than its factorization.

133011663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24873.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 133011663 is about 11533.0682387646. The cubic root of 133011663 is about 510.4617924203.

Adding to 133011663 its reverse (366110331), we get a palindrome (499121994).

The spelling of 133011663 in words is "one hundred thirty-three million, eleven thousand, six hundred sixty-three".