1158681830 has 8 divisors (see below), whose sum is σ = 2085627312. Its totient is φ = 463472728.

The previous prime is 1158681829. The next prime is 1158681841. The reversal of 1158681830 is 381868511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57934082 + ... + 57934101.

It is an arithmetic number, because the mean of its divisors is an integer number (260703414).

Almost surely, 2^1158681830 is an apocalyptic number.

1158681830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1158681830 is a deficient number, since it is larger than the sum of its proper divisors (926945482).

1158681830 is a wasteful number, since it uses less digits than its factorization.

1158681830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115868190.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 1158681830 is about 34039.4158293000. The cubic root of 1158681830 is about 1050.3194281358.

It can be divided in two parts, 1158681 and 830, that added together give a palindrome (1159511).

The spelling of 1158681830 in words is "one billion, one hundred fifty-eight million, six hundred eighty-one thousand, eight hundred thirty".