12167318560 has 24 divisors (see below), whose sum is σ = 28745290476. Its totient is φ = 4866927360.

The previous prime is 12167318551. The next prime is 12167318599. The reversal of 12167318560 is 6581376121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11855725456 + 311593104 = 108884^2 + 17652^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38022711 + ... + 38023030.

Almost surely, 2^12167318560 is an apocalyptic number.

12167318560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12167318560 is an abundant number, since it is smaller than the sum of its proper divisors (16577971916).

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

12167318560 is an equidigital number, since it uses as much as digits as its factorization.

12167318560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76045756 (or 76045748 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 12167318560 in words is "twelve billion, one hundred sixty-seven million, three hundred eighteen thousand, five hundred sixty".