1158890764 has 24 divisors (see below), whose sum is σ = 2131321808. Its totient is φ = 550670400.

The previous prime is 1158890753. The next prime is 1158890767. The reversal of 1158890764 is 4670988511.

It is not an unprimeable number, because it can be changed into a prime (1158890767) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 84687 + ... + 97414.

Almost surely, 2^1158890764 is an apocalyptic number.

It is an amenable number.

1158890764 is a deficient number, since it is larger than the sum of its proper divisors (972431044).

1158890764 is a wasteful number, since it uses less digits than its factorization.

1158890764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182185 (or 182183 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 49.

The square root of 1158890764 is about 34042.4846919258. The cubic root of 1158890764 is about 1050.3825556901.

The spelling of 1158890764 in words is "one billion, one hundred fifty-eight million, eight hundred ninety thousand, seven hundred sixty-four".