1801565068 has 12 divisors (see below), whose sum is σ = 3289814640. Its totient is φ = 861618032.

The previous prime is 1801565063. The next prime is 1801565111. The reversal of 1801565068 is 8605651081.

It is a self number, because there is not a number n which added to its sum of digits gives 1801565068.

It is not an unprimeable number, because it can be changed into a prime (1801565063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9791023 + ... + 9791206.

It is an arithmetic number, because the mean of its divisors is an integer number (274151220).

Almost surely, 2^1801565068 is an apocalyptic number.

It is an amenable number.

1801565068 is a deficient number, since it is larger than the sum of its proper divisors (1488249572).

1801565068 is a wasteful number, since it uses less digits than its factorization.

1801565068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19582256 (or 19582254 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 1801565068 is about 42444.8473669066. The cubic root of 1801565068 is about 1216.7928547502.

The spelling of 1801565068 in words is "one billion, eight hundred one million, five hundred sixty-five thousand, sixty-eight".