6497316185816 has 16 divisors (see below), whose sum is σ = 12183179822640. Its totient is φ = 3248468233120.

The previous prime is 6497316185813. The next prime is 6497316185819. The reversal of 6497316185816 is 6185816137946.

It is an interprime number because it is at equal distance from previous prime (6497316185813) and next prime (6497316185819).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497316185813) 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, 23586980 + ... + 23860851.

It is an arithmetic number, because the mean of its divisors is an integer number (761448738915).

Almost surely, 2^{6497316185816} is an apocalyptic number.

It is an amenable number.

6497316185816 is a deficient number, since it is larger than the sum of its proper divisors (5685863636824).

6497316185816 is a wasteful number, since it uses less digits than its factorization.

6497316185816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47464954 (or 47464950 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 65.

The spelling of 6497316185816 in words is "six trillion, four hundred ninety-seven billion, three hundred sixteen million, one hundred eighty-five thousand, eight hundred sixteen".