1681103348044 has 24 divisors (see below), whose sum is σ = 3013771992336. Its totient is φ = 820026816000.

The previous prime is 1681103348033. The next prime is 1681103348081. The reversal of 1681103348044 is 4408433011861.

It is a super-2 number, since 2×1681103348044² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6472159 + ... + 6726889.

It is an arithmetic number, because the mean of its divisors is an integer number (125573833014).

Almost surely, 2^{1681103348044} is an apocalyptic number.

It is an amenable number.

1681103348044 is a deficient number, since it is larger than the sum of its proper divisors (1332668644292).

1681103348044 is a wasteful number, since it uses less digits than its factorization.

1681103348044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295017 (or 295015 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 1681103348044 in words is "one trillion, six hundred eighty-one billion, one hundred three million, three hundred forty-eight thousand, forty-four".