1852856366738 has 16 divisors (see below), whose sum is σ = 3003290957016. Its totient is φ = 852245823360.

The previous prime is 1852856366693. The next prime is 1852856366747. The reversal of 1852856366738 is 8376636582581.

It can be written as a sum of positive squares in 4 ways, for example, as 1697113269289 + 155743097449 = 1302733^2 + 394643^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121602803 + ... + 121618038.

Almost surely, 2^{1852856366738} is an apocalyptic number.

1852856366738 is a deficient number, since it is larger than the sum of its proper divisors (1150434590278).

1852856366738 is a wasteful number, since it uses less digits than its factorization.

1852856366738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243221149.

The product of its digits is 348364800, while the sum is 68.

The spelling of 1852856366738 in words is "one trillion, eight hundred fifty-two billion, eight hundred fifty-six million, three hundred sixty-six thousand, seven hundred thirty-eight".