1162806804 has 18 divisors (see below), whose sum is σ = 2939317290. Its totient is φ = 387602256.

The previous prime is 1162806779. The next prime is 1162806809. The reversal of 1162806804 is 4086082611.

It can be written as a sum of positive squares in only one way, i.e., 620010000 + 542796804 = 24900^2 + 23298^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×1162806804³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 32300189 = 1162806804 / (1 + 1 + 6 + 2 + 8 + 0 + 6 + 8 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162806809) 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, 16150059 + ... + 16150130.

It is an arithmetic number, because the mean of its divisors is an integer number (163295405).

Almost surely, 2^1162806804 is an apocalyptic number.

It is an amenable number.

1162806804 is an abundant number, since it is smaller than the sum of its proper divisors (1776510486).

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

1162806804 is a wasteful number, since it uses less digits than its factorization.

1162806804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32300199 (or 32300194 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1162806804 is about 34099.9531377977. The cubic root of 1162806804 is about 1051.5643511742.

The spelling of 1162806804 in words is "one billion, one hundred sixty-two million, eight hundred six thousand, eight hundred four".