1152216618 has 32 divisors (see below), whose sum is σ = 2718597120. Its totient is φ = 318584880.

The previous prime is 1152216551. The next prime is 1152216619. The reversal of 1152216618 is 8166122511.

It is not an unprimeable number, because it can be changed into a prime (1152216619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441178 + ... + 443781.

It is an arithmetic number, because the mean of its divisors is an integer number (84956160).

Almost surely, 2^1152216618 is an apocalyptic number.

1152216618 is an abundant number, since it is smaller than the sum of its proper divisors (1566380502).

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

1152216618 is a wasteful number, since it uses less digits than its factorization.

1152216618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885002.

The product of its digits is 5760, while the sum is 33.

The square root of 1152216618 is about 33944.3164314735. The cubic root of 1152216618 is about 1048.3622595563.

The spelling of 1152216618 in words is "one billion, one hundred fifty-two million, two hundred sixteen thousand, six hundred eighteen".