2663158426345 has 8 divisors (see below), whose sum is σ = 3195798980040. Its totient is φ = 2130520828800.

The previous prime is 2663158426267. The next prime is 2663158426351. The reversal of 2663158426345 is 5436248513662.

It can be written as a sum of positive squares in 4 ways, for example, as 454118297689 + 2209040128656 = 673883^2 + 1486284^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-2663158426345 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685645 + ... + 3541045.

It is an arithmetic number, because the mean of its divisors is an integer number (399474872505).

Almost surely, 2^{2663158426345} is an apocalyptic number.

It is an amenable number.

2663158426345 is a deficient number, since it is larger than the sum of its proper divisors (532640553695).

2663158426345 is an equidigital number, since it uses as much as digits as its factorization.

2663158426345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478075.

The product of its digits is 24883200, while the sum is 55.

The spelling of 2663158426345 in words is "two trillion, six hundred sixty-three billion, one hundred fifty-eight million, four hundred twenty-six thousand, three hundred forty-five".