12366998154 has 96 divisors (see below), whose sum is σ = 31372862976. Its totient is φ = 3447908640.

The previous prime is 12366998153. The next prime is 12366998167. The reversal of 12366998154 is 45189966321.

It is a self number, because there is not a number n which added to its sum of digits gives 12366998154.

It is not an unprimeable number, because it can be changed into a prime (12366998153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 896449 + ... + 910139.

It is an arithmetic number, because the mean of its divisors is an integer number (326800656).

Almost surely, 2^12366998154 is an apocalyptic number.

12366998154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12366998154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15686431488).

12366998154 is an abundant number, since it is smaller than the sum of its proper divisors (19005864822).

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

12366998154 is a wasteful number, since it uses less digits than its factorization.

12366998154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13880 (or 13877 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 12366998154 in words is "twelve billion, three hundred sixty-six million, nine hundred ninety-eight thousand, one hundred fifty-four".