916881982 has 8 divisors (see below), whose sum is σ = 1435119696. Its totient is φ = 438508752.

The previous prime is 916881943. The next prime is 916881983. The reversal of 916881982 is 289188619.

916881982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916881983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9966063 + ... + 9966154.

It is an arithmetic number, because the mean of its divisors is an integer number (179389962).

Almost surely, 2^916881982 is an apocalyptic number.

916881982 is a deficient number, since it is larger than the sum of its proper divisors (518237714).

916881982 is a wasteful number, since it uses less digits than its factorization.

916881982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19932242.

The product of its digits is 497664, while the sum is 52.

The square root of 916881982 is about 30280.0591478947. The cubic root of 916881982 is about 971.4888327936.

The spelling of 916881982 in words is "nine hundred sixteen million, eight hundred eighty-one thousand, nine hundred eighty-two".