9994156826 has 16 divisors (see below), whose sum is σ = 16708498560. Its totient is φ = 4455599040.

The previous prime is 9994156817. The next prime is 9994156831. The reversal of 9994156826 is 6286514999.

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, 7734770 + ... + 7736061.

It is an arithmetic number, because the mean of its divisors is an integer number (1044281160).

Almost surely, 2^9994156826 is an apocalyptic number.

9994156826 is a deficient number, since it is larger than the sum of its proper divisors (6714341734).

9994156826 is a wasteful number, since it uses less digits than its factorization.

9994156826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15470869.

The product of its digits is 8398080, while the sum is 59.

The square root of 9994156826 is about 99970.7798609174. The cubic root of 9994156826 is about 2154.0149837152.

The spelling of 9994156826 in words is "nine billion, nine hundred ninety-four million, one hundred fifty-six thousand, eight hundred twenty-six".