6623164881278 has 16 divisors (see below), whose sum is σ = 10854761412096. Its totient is φ = 3005847479640.

The previous prime is 6623164881241. The next prime is 6623164881313. The reversal of 6623164881278 is 8721884613266.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6623164881278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234086126 + ... + 234114417.

It is an arithmetic number, because the mean of its divisors is an integer number (678422588256).

Almost surely, 2^{6623164881278} is an apocalyptic number.

6623164881278 is a deficient number, since it is larger than the sum of its proper divisors (4231596530818).

6623164881278 is a wasteful number, since it uses less digits than its factorization.

6623164881278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468201199.

The product of its digits is 37158912, while the sum is 62.

The spelling of 6623164881278 in words is "six trillion, six hundred twenty-three billion, one hundred sixty-four million, eight hundred eighty-one thousand, two hundred seventy-eight".