1813073016 has 16 divisors (see below), whose sum is σ = 4532682600. Its totient is φ = 604357664.

The previous prime is 1813072991. The next prime is 1813073077. The reversal of 1813073016 is 6103703181.

It is a super-2 number, since 2×1813073016² = 6574467522694672512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37772331 + ... + 37772378.

Almost surely, 2^1813073016 is an apocalyptic number.

It is an amenable number.

1813073016 is an abundant number, since it is smaller than the sum of its proper divisors (2719609584).

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

1813073016 is a wasteful number, since it uses less digits than its factorization.

1813073016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75544718 (or 75544714 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1813073016 is about 42580.1951146305. The cubic root of 1813073016 is about 1219.3782140149.

Adding to 1813073016 its reverse (6103703181), we get a palindrome (7916776197).

The spelling of 1813073016 in words is "one billion, eight hundred thirteen million, seventy-three thousand, sixteen".