1693653866004 has 48 divisors (see below), whose sum is σ = 3958210162368. Its totient is φ = 563644531968.

The previous prime is 1693653865999. The next prime is 1693653866027. The reversal of 1693653866004 is 4006683563961.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25938502 + ... + 26003714.

It is an arithmetic number, because the mean of its divisors is an integer number (82462711716).

Almost surely, 2^{1693653866004} is an apocalyptic number.

It is an amenable number.

1693653866004 is an abundant number, since it is smaller than the sum of its proper divisors (2264556296364).

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

1693653866004 is a wasteful number, since it uses less digits than its factorization.

1693653866004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68664 (or 68662 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 57.

The spelling of 1693653866004 in words is "one trillion, six hundred ninety-three billion, six hundred fifty-three million, eight hundred sixty-six thousand, four".