8425091666670 has 32 divisors (see below), whose sum is σ = 23108822857728. Its totient is φ = 1925735238048.

The previous prime is 8425091666627. The next prime is 8425091666689. The reversal of 8425091666670 is 766661905248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20059741854 + ... + 20059742273.

It is an arithmetic number, because the mean of its divisors is an integer number (722150714304).

Almost surely, 2^{8425091666670} is an apocalyptic number.

8425091666670 is an abundant number, since it is smaller than the sum of its proper divisors (14683731191058).

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

8425091666670 is a wasteful number, since it uses less digits than its factorization.

8425091666670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40119484144.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 8425091666670 in words is "eight trillion, four hundred twenty-five billion, ninety-one million, six hundred sixty-six thousand, six hundred seventy".