6416613063681 has 8 divisors (see below), whose sum is σ = 8557070511840. Its totient is φ = 4276948828992.

The previous prime is 6416613063631. The next prime is 6416613063697. The reversal of 6416613063681 is 1863603166146.

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

It is not a de Polignac number, because 6416613063681 - 2⁹ = 6416613063169 is a prime.

It is a super-2 number, since 2×6416613063681² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6416613063631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198284491 + ... + 198316848.

It is an arithmetic number, because the mean of its divisors is an integer number (1069633813980).

Almost surely, 2^{6416613063681} is an apocalyptic number.

It is an amenable number.

6416613063681 is a deficient number, since it is larger than the sum of its proper divisors (2140457448159).

6416613063681 is a wasteful number, since it uses less digits than its factorization.

6416613063681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396606735.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 6416613063681 in words is "six trillion, four hundred sixteen billion, six hundred thirteen million, sixty-three thousand, six hundred eighty-one".