634666006268 has 12 divisors (see below), whose sum is σ = 1269332012592. Its totient is φ = 271999716960.

The previous prime is 634666006231. The next prime is 634666006297. The reversal of 634666006268 is 862600666436.

634666006268 is an admirable number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

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, 11333321513 + ... + 11333321568.

It is an arithmetic number, because the mean of its divisors is an integer number (105777667716).

Almost surely, 2^634666006268 is an apocalyptic number.

It is an amenable number.

634666006268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

634666006268 is a wasteful number, since it uses less digits than its factorization.

634666006268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22666643092 (or 22666643090 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 53.

The spelling of 634666006268 in words is "six hundred thirty-four billion, six hundred sixty-six million, six thousand, two hundred sixty-eight".