12966161257622 has 8 divisors (see below), whose sum is σ = 19534173074400. Its totient is φ = 6454770232824.

The previous prime is 12966161257619. The next prime is 12966161257661. The reversal of 12966161257622 is 22675216166921.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 14155197422 + ... + 14155198337.

It is an arithmetic number, because the mean of its divisors is an integer number (2441771634300).

Almost surely, 2^{12966161257622} is an apocalyptic number.

12966161257622 is a deficient number, since it is larger than the sum of its proper divisors (6568011816778).

12966161257622 is a wasteful number, since it uses less digits than its factorization.

12966161257622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28310395990.

The product of its digits is 6531840, while the sum is 56.

The spelling of 12966161257622 in words is "twelve trillion, nine hundred sixty-six billion, one hundred sixty-one million, two hundred fifty-seven thousand, six hundred twenty-two".