1816430764 has 12 divisors (see below), whose sum is σ = 3217052664. Its totient is φ = 897272864.

The previous prime is 1816430741. The next prime is 1816430789. The reversal of 1816430764 is 4670346181.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2735257 + ... + 2735920.

It is an arithmetic number, because the mean of its divisors is an integer number (268087722).

Almost surely, 2^1816430764 is an apocalyptic number.

It is an amenable number.

1816430764 is a deficient number, since it is larger than the sum of its proper divisors (1400621900).

1816430764 is a wasteful number, since it uses less digits than its factorization.

1816430764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471264 (or 5471262 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1816430764 is about 42619.6053947007. The cubic root of 1816430764 is about 1220.1304984477.

The spelling of 1816430764 in words is "one billion, eight hundred sixteen million, four hundred thirty thousand, seven hundred sixty-four".