666033050412 has 60 divisors (see below), whose sum is σ = 1743119027496. Its totient is φ = 221758922880.

The previous prime is 666033050377. The next prime is 666033050413. The reversal of 666033050412 is 214050330666.

It is a super-2 number, since 2×666033050412² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (666033050413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 881218 + ... + 1452105.

Almost surely, 2^666033050412 is an apocalyptic number.

It is an amenable number.

666033050412 is an abundant number, since it is smaller than the sum of its proper divisors (1077085977084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

666033050412 is a wasteful number, since it uses less digits than its factorization.

666033050412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334220 (or 2334209 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 666033050412 in words is "six hundred sixty-six billion, thirty-three million, fifty thousand, four hundred twelve".