12158643077416 has 32 divisors (see below), whose sum is σ = 24884607300480. Its totient is φ = 5523399155200.

The previous prime is 12158643077411. The next prime is 12158643077423. The reversal of 12158643077416 is 61477034685121.

It is not an unprimeable number, because it can be changed into a prime (12158643077411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40559680 + ... + 40858351.

It is an arithmetic number, because the mean of its divisors is an integer number (777643978140).

Almost surely, 2^{12158643077416} is an apocalyptic number.

It is an amenable number.

12158643077416 is an abundant number, since it is smaller than the sum of its proper divisors (12725964223064).

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

12158643077416 is a wasteful number, since it uses less digits than its factorization.

12158643077416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81419745 (or 81419741 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 12158643077416 in words is "twelve trillion, one hundred fifty-eight billion, six hundred forty-three million, seventy-seven thousand, four hundred sixteen".