8425091666664 has 96 divisors (see below), whose sum is σ = 22889651528640. Its totient is φ = 2799541958400.

The previous prime is 8425091666627. The next prime is 8425091666689. The reversal of 8425091666664 is 4666661905248.

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, 268976124 + ... + 269007444.

It is an arithmetic number, because the mean of its divisors is an integer number (238433870090).

Almost surely, 2^{8425091666664} is an apocalyptic number.

It is an amenable number.

8425091666664 is an abundant number, since it is smaller than the sum of its proper divisors (14464559861976).

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

8425091666664 is a wasteful number, since it uses less digits than its factorization.

8425091666664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42951 (or 42944 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 63.

The spelling of 8425091666664 in words is "eight trillion, four hundred twenty-five billion, ninety-one million, six hundred sixty-six thousand, six hundred sixty-four".