1158666741 has 8 divisors (see below), whose sum is σ = 1716543360. Its totient is φ = 772444476.

The previous prime is 1158666737. The next prime is 1158666749. The reversal of 1158666741 is 1476668511.

It is not a de Polignac number, because 1158666741 - 2² = 1158666737 is a prime.

It is a super-2 number, since 2×1158666741² = 2685017233399122162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158666749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21456765 + ... + 21456818.

It is an arithmetic number, because the mean of its divisors is an integer number (214567920).

Almost surely, 2^1158666741 is an apocalyptic number.

It is an amenable number.

1158666741 is a deficient number, since it is larger than the sum of its proper divisors (557876619).

1158666741 is an equidigital number, since it uses as much as digits as its factorization.

1158666741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42913592 (or 42913586 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 1158666741 is about 34039.1941884646. The cubic root of 1158666741 is about 1050.3148688346.

The spelling of 1158666741 in words is "one billion, one hundred fifty-eight million, six hundred sixty-six thousand, seven hundred forty-one".