12630544164 has 144 divisors (see below), whose sum is σ = 37911630848. Its totient is φ = 3601866528.

The previous prime is 12630544153. The next prime is 12630544181. The reversal of 12630544164 is 46144503621.

12630544164 is a `hidden beast` number, since 1 + 2 + 630 + 5 + 4 + 4 + 16 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4373529 + ... + 4376415.

Almost surely, 2^12630544164 is an apocalyptic number.

12630544164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12630544164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18955815424).

12630544164 is an abundant number, since it is smaller than the sum of its proper divisors (25281086684).

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

12630544164 is a wasteful number, since it uses less digits than its factorization.

12630544164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556 (or 3542 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 12630544164 in words is "twelve billion, six hundred thirty million, five hundred forty-four thousand, one hundred sixty-four".