299801664 has 126 divisors (see below), whose sum is σ = 913356314. Its totient is φ = 94003200.

The previous prime is 299801653. The next prime is 299801693. The reversal of 299801664 is 466108992.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 63872064 + 235929600 = 7992^2 + 15360^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 165564 + ... + 167364.

Almost surely, 2^299801664 is an apocalyptic number.

299801664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299801664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456678157).

299801664 is an abundant number, since it is smaller than the sum of its proper divisors (613554650).

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

299801664 is a wasteful number, since it uses less digits than its factorization.

299801664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 299801664 is about 17314.7816619211. The cubic root of 299801664 is about 669.2853923890.

The spelling of 299801664 in words is "two hundred ninety-nine million, eight hundred one thousand, six hundred sixty-four".