891350016 has 88 divisors (see below), whose sum is σ = 2387129520. Its totient is φ = 295698432.

The previous prime is 891349997. The next prime is 891350039. The reversal of 891350016 is 610053198.

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, 788940 + ... + 790068.

Almost surely, 2^891350016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 891350016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1193564760).

891350016 is an abundant number, since it is smaller than the sum of its proper divisors (1495779504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

891350016 is a wasteful number, since it uses less digits than its factorization.

891350016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 891350016 is about 29855.4855261140. The cubic root of 891350016 is about 962.3862856831.

The spelling of 891350016 in words is "eight hundred ninety-one million, three hundred fifty thousand, sixteen".