1801538559696 has 40 divisors (see below), whose sum is σ = 4678340995584. Its totient is φ = 597368803840.

The previous prime is 1801538559679. The next prime is 1801538559707. The reversal of 1801538559696 is 6969558351081.

It is a super-2 number, since 2×1801538559696² (a number of 25 digits) contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 98242281 + ... + 98260616.

Almost surely, 2^{1801538559696} is an apocalyptic number.

1801538559696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1801538559696 is an abundant number, since it is smaller than the sum of its proper divisors (2876802435888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1801538559696 is a wasteful number, since it uses less digits than its factorization.

1801538559696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196503099 (or 196503093 counting only the distinct ones).

The product of its (nonzero) digits is 69984000, while the sum is 66.

The spelling of 1801538559696 in words is "one trillion, eight hundred one billion, five hundred thirty-eight million, five hundred fifty-nine thousand, six hundred ninety-six".