199261632 has 56 divisors (see below), whose sum is σ = 530530816. Its totient is φ = 66002688.

The previous prime is 199261631. The next prime is 199261649. The reversal of 199261632 is 236162991.

199261632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199261631) 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, 28113 + ... + 34479.

Almost surely, 2^199261632 is an apocalyptic number.

199261632 is a gapful number since it is divisible by the number (12) 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 199261632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265265408).

199261632 is an abundant number, since it is smaller than the sum of its proper divisors (331269184).

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

199261632 is a wasteful number, since it uses less digits than its factorization.

199261632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545 (or 6535 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 199261632 is about 14116.0062340593. The cubic root of 199261632 is about 584.0829931467.

The spelling of 199261632 in words is "one hundred ninety-nine million, two hundred sixty-one thousand, six hundred thirty-two".