199529664 has 56 divisors (see below), whose sum is σ = 539179008. Its totient is φ = 65091840.

The previous prime is 199529651. The next prime is 199529699. The reversal of 199529664 is 466925991.

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, 2032 + ... + 20079.

Almost surely, 2^199529664 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 199529664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269589504).

199529664 is an abundant number, since it is smaller than the sum of its proper divisors (339649344).

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

199529664 is a wasteful number, since it uses less digits than its factorization.

199529664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22173 (or 22163 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 51.

The square root of 199529664 is about 14125.4969470104. The cubic root of 199529664 is about 584.3447642148.

The spelling of 199529664 in words is "one hundred ninety-nine million, five hundred twenty-nine thousand, six hundred sixty-four".