12667164345 has 80 divisors (see below), whose sum is σ = 25298811648. Its totient is φ = 6010882560.

The previous prime is 12667164343. The next prime is 12667164403. The reversal of 12667164345 is 54346176621.

It is not a de Polignac number, because 12667164345 - 2¹ = 12667164343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12667164345.

It is not an unprimeable number, because it can be changed into a prime (12667164343) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 179137 + ... + 239633.

Almost surely, 2^12667164345 is an apocalyptic number.

12667164345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12667164345 is a deficient number, since it is larger than the sum of its proper divisors (12631647303).

12667164345 is a wasteful number, since it uses less digits than its factorization.

12667164345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60572 (or 60563 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 12667164345 in words is "twelve billion, six hundred sixty-seven million, one hundred sixty-four thousand, three hundred forty-five".