12156450163 has 16 divisors (see below), whose sum is σ = 14330496096. Its totient is φ = 10166365440.

The previous prime is 12156450161. The next prime is 12156450167. The reversal of 12156450163 is 36105465121.

It is not a de Polignac number, because 12156450163 - 2¹ = 12156450161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12156450161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103170 + ... + 186967.

It is an arithmetic number, because the mean of its divisors is an integer number (895656006).

Almost surely, 2^12156450163 is an apocalyptic number.

12156450163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12156450163 is a deficient number, since it is larger than the sum of its proper divisors (2174045933).

12156450163 is a wasteful number, since it uses less digits than its factorization.

12156450163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290454.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 12156450163 in words is "twelve billion, one hundred fifty-six million, four hundred fifty thousand, one hundred sixty-three".