66631000014332 has 12 divisors (see below), whose sum is σ = 125573807719416. Its totient is φ = 30752769237360.

The previous prime is 66631000014289. The next prime is 66631000014373. The reversal of 66631000014332 is 23341000013666.

It is a junction number, because it is equal to n+sod(n) for n = 66631000014292 and 66631000014301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640682692394 + ... + 640682692497.

It is an arithmetic number, because the mean of its divisors is an integer number (10464483976618).

Almost surely, 2^{66631000014332} is an apocalyptic number.

It is an amenable number.

66631000014332 is a deficient number, since it is larger than the sum of its proper divisors (58942807705084).

66631000014332 is a wasteful number, since it uses less digits than its factorization.

66631000014332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281365384908 (or 1281365384906 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 66631000014332 its reverse (23341000013666), we get a palindrome (89972000027998).

The spelling of 66631000014332 in words is "sixty-six trillion, six hundred thirty-one billion, fourteen thousand, three hundred thirty-two".