6693404733556 has 24 divisors (see below), whose sum is σ = 11801236980960. Its totient is φ = 3321688653792.

The previous prime is 6693404733517. The next prime is 6693404733583. The reversal of 6693404733556 is 6553374043966.

It is a junction number, because it is equal to n+sod(n) for n = 6693404733494 and 6693404733503.

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, 7832766 + ... + 8645173.

It is an arithmetic number, because the mean of its divisors is an integer number (491718207540).

Almost surely, 2^{6693404733556} is an apocalyptic number.

It is an amenable number.

6693404733556 is a deficient number, since it is larger than the sum of its proper divisors (5107832247404).

6693404733556 is a wasteful number, since it uses less digits than its factorization.

6693404733556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16478703 (or 16478701 counting only the distinct ones).

The product of its (nonzero) digits is 146966400, while the sum is 61.

The spelling of 6693404733556 in words is "six trillion, six hundred ninety-three billion, four hundred four million, seven hundred thirty-three thousand, five hundred fifty-six".