12616796146 has 4 divisors (see below), whose sum is σ = 18925194222. Its totient is φ = 6308398072.

The previous prime is 12616796141. The next prime is 12616796149. The reversal of 12616796146 is 64169761621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10658291121 + 1958505025 = 103239^2 + 44255^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12616796146.

It is not an unprimeable number, because it can be changed into a prime (12616796141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3154199035 + ... + 3154199038.

Almost surely, 2^12616796146 is an apocalyptic number.

12616796146 is a deficient number, since it is larger than the sum of its proper divisors (6308398076).

12616796146 is an equidigital number, since it uses as much as digits as its factorization.

12616796146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308398075.

The product of its digits is 653184, while the sum is 49.

The spelling of 12616796146 in words is "twelve billion, six hundred sixteen million, seven hundred ninety-six thousand, one hundred forty-six".