199696536 has 192 divisors, whose sum is σ = 633679200. Its totient is φ = 57915648.

The previous prime is 199696529. The next prime is 199696547. The reversal of 199696536 is 635696991.

It is a happy number.

199696536 is a `hidden beast` number, since 19 + 9 + 6 + 96 + 536 = 666.

199696536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 1013590 + ... + 1013786.

Almost surely, 2^199696536 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 199696536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316839600).

199696536 is an abundant number, since it is smaller than the sum of its proper divisors (433982664).

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

199696536 is a wasteful number, since it uses less digits than its factorization.

199696536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 234 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 54.

The square root of 199696536 is about 14131.4024781690. The cubic root of 199696536 is about 584.5076198801.

It can be divided in two parts, 1996965 and 36, that added together give a triangular number (1997001 = T₁₉₉₈).

The spelling of 199696536 in words is "one hundred ninety-nine million, six hundred ninety-six thousand, five hundred thirty-six".