6446536968146 has 48 divisors (see below), whose sum is σ = 10914934705920. Its totient is φ = 2852403153600.

The previous prime is 6446536968127. The next prime is 6446536968197. The reversal of 6446536968146 is 6418696356446.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1017251 + ... + 3732006.

It is an arithmetic number, because the mean of its divisors is an integer number (227394473040).

Almost surely, 2^{6446536968146} is an apocalyptic number.

6446536968146 is a deficient number, since it is larger than the sum of its proper divisors (4468397737774).

6446536968146 is a wasteful number, since it uses less digits than its factorization.

6446536968146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749431 (or 4749420 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 68.

The spelling of 6446536968146 in words is "six trillion, four hundred forty-six billion, five hundred thirty-six million, nine hundred sixty-eight thousand, one hundred forty-six".