994188964722 has 16 divisors (see below), whose sum is σ = 2015615984160. Its totient is φ = 326856645792.

The previous prime is 994188964679. The next prime is 994188964739. The reversal of 994188964722 is 227469881499.

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, 1134918472 + ... + 1134919347.

It is an arithmetic number, because the mean of its divisors is an integer number (125975999010).

Almost surely, 2^994188964722 is an apocalyptic number.

994188964722 is an abundant number, since it is smaller than the sum of its proper divisors (1021427019438).

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

994188964722 is a wasteful number, since it uses less digits than its factorization.

994188964722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269837897.

The product of its digits is 125411328, while the sum is 69.

The spelling of 994188964722 in words is "nine hundred ninety-four billion, one hundred eighty-eight million, nine hundred sixty-four thousand, seven hundred twenty-two".