1152216346 has 8 divisors (see below), whose sum is σ = 1729182420. Its totient is φ = 575822208.

The previous prime is 1152216341. The next prime is 1152216367. The reversal of 1152216346 is 6436122511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 762588225 + 389628121 = 27615^2 + 19739^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1152216341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137911 + ... + 146026.

Almost surely, 2^1152216346 is an apocalyptic number.

1152216346 is a deficient number, since it is larger than the sum of its proper divisors (576966074).

1152216346 is a wasteful number, since it uses less digits than its factorization.

1152216346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285968.

The product of its digits is 8640, while the sum is 31.

The square root of 1152216346 is about 33944.3124249115. The cubic root of 1152216346 is about 1048.3621770618.

Adding to 1152216346 its reverse (6436122511), we get a palindrome (7588338857).

The spelling of 1152216346 in words is "one billion, one hundred fifty-two million, two hundred sixteen thousand, three hundred forty-six".