669289766332 has 12 divisors (see below), whose sum is σ = 1277735008536. Its totient is φ = 304222621040.

The previous prime is 669289766323. The next prime is 669289766339. The reversal of 669289766332 is 233667982966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669289766339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7605565483 + ... + 7605565570.

It is an arithmetic number, because the mean of its divisors is an integer number (106477917378).

Almost surely, 2^669289766332 is an apocalyptic number.

It is an amenable number.

669289766332 is a deficient number, since it is larger than the sum of its proper divisors (608445242204).

669289766332 is a wasteful number, since it uses less digits than its factorization.

669289766332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15211131068 (or 15211131066 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 67.

The spelling of 669289766332 in words is "six hundred sixty-nine billion, two hundred eighty-nine million, seven hundred sixty-six thousand, three hundred thirty-two".