1806744599104 has 63 divisors (see below), whose sum is σ = 3602820473161. Its totient is φ = 898968857600.

The previous prime is 1806744599089. The next prime is 1806744599111. The reversal of 1806744599104 is 4019954476081.

It is a happy number.

The square root of 1806744599104 is 1344152.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1788767152704 + 17977446400 = 1337448^2 + 134080^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4312039407 + ... + 4312039825.

Almost surely, 2^{1806744599104} is an apocalyptic number.

1806744599104 is the 1344152-nd square number.

It is an amenable number.

1806744599104 is a deficient number, since it is larger than the sum of its proper divisors (1796075874057).

1806744599104 is an frugal number, since it uses more digits than its factorization.

1806744599104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 1806744599104 in words is "one trillion, eight hundred six billion, seven hundred forty-four million, five hundred ninety-nine thousand, one hundred four".