994553966 has 64 divisors (see below), whose sum is σ = 1818685440. Its totient is φ = 398926080.

The previous prime is 994553951. The next prime is 994553983. The reversal of 994553966 is 669355499.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2556500 + ... + 2556888.

It is an arithmetic number, because the mean of its divisors is an integer number (28416960).

Almost surely, 2^994553966 is an apocalyptic number.

994553966 is a deficient number, since it is larger than the sum of its proper divisors (824131474).

994553966 is a wasteful number, since it uses less digits than its factorization.

994553966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its digits is 7873200, while the sum is 56.

The square root of 994553966 is about 31536.5496844534. The cubic root of 994553966 is about 998.1813498500.

The spelling of 994553966 in words is "nine hundred ninety-four million, five hundred fifty-three thousand, nine hundred sixty-six".