1162816994 has 4 divisors (see below), whose sum is σ = 1744225494. Its totient is φ = 581408496.

The previous prime is 1162816981. The next prime is 1162816997. The reversal of 1162816994 is 4996182611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 896703025 + 266113969 = 29945^2 + 16313^2 .

It is not an unprimeable number, because it can be changed into a prime (1162816997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290704247 + ... + 290704250.

Almost surely, 2^1162816994 is an apocalyptic number.

1162816994 is a deficient number, since it is larger than the sum of its proper divisors (581408500).

1162816994 is an equidigital number, since it uses as much as digits as its factorization.

1162816994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581408499.

The product of its digits is 186624, while the sum is 47.

The square root of 1162816994 is about 34100.1025511654. The cubic root of 1162816994 is about 1051.5674228824.

The spelling of 1162816994 in words is "one billion, one hundred sixty-two million, eight hundred sixteen thousand, nine hundred ninety-four".