1280673161268 has 48 divisors (see below), whose sum is σ = 3141956818560. Its totient is φ = 405413769600.

The previous prime is 1280673161237. The next prime is 1280673161293. The reversal of 1280673161268 is 8621613760821.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1280673161268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30143488 + ... + 30185943.

It is an arithmetic number, because the mean of its divisors is an integer number (65457433720).

Almost surely, 2^{1280673161268} is an apocalyptic number.

It is an amenable number.

1280673161268 is an abundant number, since it is smaller than the sum of its proper divisors (1861283657292).

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

1280673161268 is a wasteful number, since it uses less digits than its factorization.

1280673161268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60329528 (or 60329526 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 1280673161268 in words is "one trillion, two hundred eighty billion, six hundred seventy-three million, one hundred sixty-one thousand, two hundred sixty-eight".