1818065104 has 10 divisors (see below), whose sum is σ = 3522501170. Its totient is φ = 909032544.

The previous prime is 1818065101. The next prime is 1818065143. The reversal of 1818065104 is 4015608181.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1027330704 + 790734400 = 32052^2 + 28120^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1818065104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818065101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56814519 + ... + 56814550.

It is an arithmetic number, because the mean of its divisors is an integer number (352250117).

Almost surely, 2^1818065104 is an apocalyptic number.

It is an amenable number.

1818065104 is a deficient number, since it is larger than the sum of its proper divisors (1704436066).

1818065104 is a wasteful number, since it uses less digits than its factorization.

1818065104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113629077 (or 113629071 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 1818065104 is about 42638.7746540634. The cubic root of 1818065104 is about 1220.4963276604.

The spelling of 1818065104 in words is "one billion, eight hundred eighteen million, sixty-five thousand, one hundred four".