999065152 has 56 divisors (see below), whose sum is σ = 2019479832. Its totient is φ = 490291200.

The previous prime is 999065143. The next prime is 999065153. The reversal of 999065152 is 251560999.

It can be written as a sum of positive squares in 4 ways, for example, as 22127616 + 976937536 = 4704^2 + 31256^2 .

It is not an unprimeable number, because it can be changed into a prime (999065153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312452 + ... + 1313212.

Almost surely, 2^999065152 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 999065152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009739916).

999065152 is an abundant number, since it is smaller than the sum of its proper divisors (1020414680).

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

999065152 is a wasteful number, since it uses less digits than its factorization.

999065152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 46.

The square root of 999065152 is about 31607.9919007836. The cubic root of 999065152 is about 999.6882868450.

The spelling of 999065152 in words is "nine hundred ninety-nine million, sixty-five thousand, one hundred fifty-two".