991126496 has 24 divisors (see below), whose sum is σ = 1956893400. Its totient is φ = 494137728.

The previous prime is 991126471. The next prime is 991126501. The reversal of 991126496 is 694621199.

991126496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 991126496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33206 + ... + 55541.

It is an arithmetic number, because the mean of its divisors is an integer number (81537225).

Almost surely, 2^991126496 is an apocalyptic number.

It is an amenable number.

991126496 is a deficient number, since it is larger than the sum of its proper divisors (965766904).

991126496 is a wasteful number, since it uses less digits than its factorization.

991126496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89106 (or 89098 counting only the distinct ones).

The product of its digits is 209952, while the sum is 47.

The square root of 991126496 is about 31482.1615522187. The cubic root of 991126496 is about 997.0333731615.

The spelling of 991126496 in words is "nine hundred ninety-one million, one hundred twenty-six thousand, four hundred ninety-six".