12356351663 has 8 divisors (see below), whose sum is σ = 12910282848. Its totient is φ = 11803812064.

The previous prime is 12356351633. The next prime is 12356351677. The reversal of 12356351663 is 36615365321.

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

It is a cyclic number.

It is not a de Polignac number, because 12356351663 - 2¹⁴ = 12356335279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12356351663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12356351633) 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, 329720 + ... + 365277.

It is an arithmetic number, because the mean of its divisors is an integer number (1613785356).

Almost surely, 2^12356351663 is an apocalyptic number.

12356351663 is a deficient number, since it is larger than the sum of its proper divisors (553931185).

12356351663 is an equidigital number, since it uses as much as digits as its factorization.

12356351663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695793.

The product of its digits is 291600, while the sum is 41.

The spelling of 12356351663 in words is "twelve billion, three hundred fifty-six million, three hundred fifty-one thousand, six hundred sixty-three".