999045516 has 72 divisors (see below), whose sum is σ = 2719456320. Its totient is φ = 284624928.

The previous prime is 999045491. The next prime is 999045533. The reversal of 999045516 is 615540999.

999045516 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 23 ways as a sum of consecutive naturals, for example, 220611 + ... + 225093.

Almost surely, 2^999045516 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 999045516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1359728160).

999045516 is an abundant number, since it is smaller than the sum of its proper divisors (1720410804).

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

999045516 is a wasteful number, since it uses less digits than its factorization.

999045516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883 (or 4874 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 48.

The square root of 999045516 is about 31607.6812816125. The cubic root of 999045516 is about 999.6817373863.

The spelling of 999045516 in words is "nine hundred ninety-nine million, forty-five thousand, five hundred sixteen".