6494791016 has 16 divisors (see below), whose sum is σ = 13917409440. Its totient is φ = 2783481840.

The previous prime is 6494791013. The next prime is 6494791087. The reversal of 6494791016 is 6101974946.

It is not an unprimeable number, because it can be changed into a prime (6494791013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57989150 + ... + 57989261.

It is an arithmetic number, because the mean of its divisors is an integer number (869838090).

Almost surely, 2^6494791016 is an apocalyptic number.

It is an amenable number.

6494791016 is an abundant number, since it is smaller than the sum of its proper divisors (7422618424).

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

6494791016 is a wasteful number, since it uses less digits than its factorization.

6494791016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115978424 (or 115978420 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 6494791016 is about 80590.2662608829. The cubic root of 6494791016 is about 1865.7569172071.

The spelling of 6494791016 in words is "six billion, four hundred ninety-four million, seven hundred ninety-one thousand, sixteen".