1643245141336 has 32 divisors (see below), whose sum is σ = 3083625170640. Its totient is φ = 820945387008.

The previous prime is 1643245141303. The next prime is 1643245141379. The reversal of 1643245141336 is 6331415423461.

It is a junction number, because it is equal to n+sod(n) for n = 1643245141292 and 1643245141301.

It is a congruent number.

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, 52691380 + ... + 52722556.

Almost surely, 2^{1643245141336} is an apocalyptic number.

It is an amenable number.

1643245141336 is a deficient number, since it is larger than the sum of its proper divisors (1440380029304).

1643245141336 is a wasteful number, since it uses less digits than its factorization.

1643245141336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36403 (or 36399 counting only the distinct ones).

The product of its digits is 622080, while the sum is 43.

The spelling of 1643245141336 in words is "one trillion, six hundred forty-three billion, two hundred forty-five million, one hundred forty-one thousand, three hundred thirty-six".