1071087818 has 8 divisors (see below), whose sum is σ = 1614787812. Its totient is φ = 532825216.

The previous prime is 1071087761. The next prime is 1071087863. The reversal of 1071087818 is 8187801701.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1067786329 + 3301489 = 32677^2 + 1817^2 .

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

It is a super-2 number, since 2×1071087818² = 2294458227736002248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358855 + ... + 1359642.

Almost surely, 2^1071087818 is an apocalyptic number.

1071087818 is a deficient number, since it is larger than the sum of its proper divisors (543699994).

1071087818 is a wasteful number, since it uses less digits than its factorization.

1071087818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718696.

The product of its (nonzero) digits is 25088, while the sum is 41.

The square root of 1071087818 is about 32727.4780268813. The cubic root of 1071087818 is about 1023.1556181352.

The spelling of 1071087818 in words is "one billion, seventy-one million, eighty-seven thousand, eight hundred eighteen".