6917081471920 has 20 divisors (see below), whose sum is σ = 16082214422400. Its totient is φ = 2766832588736.

The previous prime is 6917081471891. The next prime is 6917081471947. The reversal of 6917081471920 is 291741807196.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 43231759120 + ... + 43231759279.

It is an arithmetic number, because the mean of its divisors is an integer number (804110721120).

Almost surely, 2^{6917081471920} is an apocalyptic number.

It is an amenable number.

6917081471920 is an abundant number, since it is smaller than the sum of its proper divisors (9165132950480).

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

6917081471920 is a wasteful number, since it uses less digits than its factorization.

6917081471920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86463518412 (or 86463518406 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 55.

The spelling of 6917081471920 in words is "six trillion, nine hundred seventeen billion, eighty-one million, four hundred seventy-one thousand, nine hundred twenty".