6606731617919 has 8 divisors (see below), whose sum is σ = 6768001851072. Its totient is φ = 6445467596160.

The previous prime is 6606731617907. The next prime is 6606731617939. The reversal of 6606731617919 is 9197161376066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6606731617919 is a prime.

It is a super-2 number, since 2×6606731617919² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606731617939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637667 + ... + 3690539.

It is an arithmetic number, because the mean of its divisors is an integer number (846000231384).

Almost surely, 2^{6606731617919} is an apocalyptic number.

6606731617919 is a deficient number, since it is larger than the sum of its proper divisors (161270233153).

6606731617919 is a wasteful number, since it uses less digits than its factorization.

6606731617919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105697.

The product of its (nonzero) digits is 15431472, while the sum is 62.

The spelling of 6606731617919 in words is "six trillion, six hundred six billion, seven hundred thirty-one million, six hundred seventeen thousand, nine hundred nineteen".