1158503616 has 42 divisors (see below), whose sum is σ = 3320643092. Its totient is φ = 386167680.

The previous prime is 1158503597. The next prime is 1158503617. The reversal of 1158503616 is 6163058511.

1158503616 is a `hidden beast` number, since 11 + 585 + 0 + 3 + 61 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1158503617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1005070 + ... + 1006221.

Almost surely, 2^1158503616 is an apocalyptic number.

1158503616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1158503616 is an abundant number, since it is smaller than the sum of its proper divisors (2162139476).

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

1158503616 is a wasteful number, since it uses less digits than its factorization.

1158503616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011309 (or 2011296 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1158503616 is about 34036.7979692567. The cubic root of 1158503616 is about 1050.2655763596.

The spelling of 1158503616 in words is "one billion, one hundred fifty-eight million, five hundred three thousand, six hundred sixteen".