891741616 has 20 divisors (see below), whose sum is σ = 1728250000. Its totient is φ = 445741632.

The previous prime is 891741601. The next prime is 891741679. The reversal of 891741616 is 616147198.

891741616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 74410 + ... + 85558.

It is an arithmetic number, because the mean of its divisors is an integer number (86412500).

Almost surely, 2^891741616 is an apocalyptic number.

It is an amenable number.

891741616 is a deficient number, since it is larger than the sum of its proper divisors (836508384).

891741616 is a wasteful number, since it uses less digits than its factorization.

891741616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16156 (or 16150 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 891741616 is about 29862.0430647335. The cubic root of 891741616 is about 962.5272012552.

The spelling of 891741616 in words is "eight hundred ninety-one million, seven hundred forty-one thousand, six hundred sixteen".