663012133 has 16 divisors (see below), whose sum is σ = 766754560. Its totient is φ = 561551616.

The previous prime is 663012131. The next prime is 663012137. The reversal of 663012133 is 331210366.

It is a cyclic number.

It is not a de Polignac number, because 663012133 - 2¹ = 663012131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 663012098 and 663012107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663012131) 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 15 ways as a sum of consecutive naturals, for example, 510541 + ... + 511837.

It is an arithmetic number, because the mean of its divisors is an integer number (47922160).

Almost surely, 2^663012133 is an apocalyptic number.

It is an amenable number.

663012133 is a deficient number, since it is larger than the sum of its proper divisors (103742427).

663012133 is a wasteful number, since it uses less digits than its factorization.

663012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 663012133 is about 25749.0219814268. The cubic root of 663012133 is about 871.9812744099.

Adding to 663012133 its reverse (331210366), we get a palindrome (994222499).

The spelling of 663012133 in words is "six hundred sixty-three million, twelve thousand, one hundred thirty-three".