6445296671178 has 16 divisors (see below), whose sum is σ = 12902216974560. Its totient is φ = 2146494951696.

The previous prime is 6445296671101. The next prime is 6445296671239. The reversal of 6445296671178 is 8711766925446.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484310800 + ... + 484324107.

It is an arithmetic number, because the mean of its divisors is an integer number (806388560910).

Almost surely, 2^{6445296671178} is an apocalyptic number.

6445296671178 is an abundant number, since it is smaller than the sum of its proper divisors (6456920303382).

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

6445296671178 is a wasteful number, since it uses less digits than its factorization.

6445296671178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968636021.

The product of its digits is 121927680, while the sum is 66.

The spelling of 6445296671178 in words is "six trillion, four hundred forty-five billion, two hundred ninety-six million, six hundred seventy-one thousand, one hundred seventy-eight".