6726605306605 has 32 divisors (see below), whose sum is σ = 8398971076608. Its totient is φ = 5166042235200.

The previous prime is 6726605306591. The next prime is 6726605306639. The reversal of 6726605306605 is 5066035066276.

It is not a de Polignac number, because 6726605306605 - 2⁵ = 6726605306573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209255164 + ... + 209287306.

It is an arithmetic number, because the mean of its divisors is an integer number (262467846144).

Almost surely, 2^{6726605306605} is an apocalyptic number.

It is an amenable number.

6726605306605 is a deficient number, since it is larger than the sum of its proper divisors (1672365770003).

6726605306605 is a wasteful number, since it uses less digits than its factorization.

6726605306605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42937.

The product of its (nonzero) digits is 8164800, while the sum is 52.

The spelling of 6726605306605 in words is "six trillion, seven hundred twenty-six billion, six hundred five million, three hundred six thousand, six hundred five".