1158326916 has 48 divisors (see below), whose sum is σ = 2806698048. Its totient is φ = 371520000.

The previous prime is 1158326879. The next prime is 1158326933. The reversal of 1158326916 is 6196238511.

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 15 ways as a sum of consecutive naturals, for example, 19791 + ... + 52041.

It is an arithmetic number, because the mean of its divisors is an integer number (58472876).

Almost surely, 2^1158326916 is an apocalyptic number.

It is an amenable number.

1158326916 is an abundant number, since it is smaller than the sum of its proper divisors (1648371132).

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

1158326916 is a wasteful number, since it uses less digits than its factorization.

1158326916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32372 (or 32370 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 1158326916 is about 34034.2021501900. The cubic root of 1158326916 is about 1050.2121766231.

The spelling of 1158326916 in words is "one billion, one hundred fifty-eight million, three hundred twenty-six thousand, nine hundred sixteen".