12801666363 has 8 divisors (see below), whose sum is σ = 17348706576. Its totient is φ = 8394535200.

The previous prime is 12801666337. The next prime is 12801666391. The reversal of 12801666363 is 36366610821.

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

It is not a de Polignac number, because 12801666363 - 2⁸ = 12801666107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12801666263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34977048 + ... + 34977413.

It is an arithmetic number, because the mean of its divisors is an integer number (2168588322).

Almost surely, 2^12801666363 is an apocalyptic number.

12801666363 is a deficient number, since it is larger than the sum of its proper divisors (4547040213).

12801666363 is an equidigital number, since it uses as much as digits as its factorization.

12801666363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69954525.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 12801666363 in words is "twelve billion, eight hundred one million, six hundred sixty-six thousand, three hundred sixty-three".