12154604616 has 192 divisors, whose sum is σ = 41098337280. Its totient is φ = 3152672640.

The previous prime is 12154604591. The next prime is 12154604621. The reversal of 12154604616 is 61640645121.

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, 6579805 + ... + 6581651.

It is an arithmetic number, because the mean of its divisors is an integer number (214053840).

Almost surely, 2^12154604616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12154604616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20549168640).

12154604616 is an abundant number, since it is smaller than the sum of its proper divisors (28943732664).

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

12154604616 is a wasteful number, since it uses less digits than its factorization.

12154604616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064 (or 3057 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 12154604616 in words is "twelve billion, one hundred fifty-four million, six hundred four thousand, six hundred sixteen".