1158643736616 has 16 divisors (see below), whose sum is σ = 2896609341600. Its totient is φ = 386214578864.

The previous prime is 1158643736597. The next prime is 1158643736641. The reversal of 1158643736616 is 6166373468511.

It is a happy number.

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, 24138411156 + ... + 24138411203.

It is an arithmetic number, because the mean of its divisors is an integer number (181038083850).

Almost surely, 2^{1158643736616} is an apocalyptic number.

It is an amenable number.

1158643736616 is an abundant number, since it is smaller than the sum of its proper divisors (1737965604984).

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

1158643736616 is a wasteful number, since it uses less digits than its factorization.

1158643736616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48276822368 (or 48276822364 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 57.

The spelling of 1158643736616 in words is "one trillion, one hundred fifty-eight billion, six hundred forty-three million, seven hundred thirty-six thousand, six hundred sixteen".