12463936164 has 81 divisors (see below), whose sum is σ = 32976208993. Its totient is φ = 3969096384.

The previous prime is 12463936127. The next prime is 12463936211. The reversal of 12463936164 is 46163936421.

The square root of 12463936164 is 111642.

It is a perfect power (a square), and thus also a powerful number.

12463936164 is a `hidden beast` number, since 1 + 2 + 4 + 639 + 3 + 6 + 1 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10970886564 + 1493049600 = 104742^2 + 38640^2 .

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 15406192 + ... + 15407000.

Almost surely, 2^12463936164 is an apocalyptic number.

12463936164 is the 111642-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12463936164

12463936164 is an abundant number, since it is smaller than the sum of its proper divisors (20512272829).

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

12463936164 is an equidigital number, since it uses as much as digits as its factorization.

12463936164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674 (or 837 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The spelling of 12463936164 in words is "twelve billion, four hundred sixty-three million, nine hundred thirty-six thousand, one hundred sixty-four".