199636164000 has 2304 divisors, whose sum is σ = 943973581824. Its totient is φ = 40310784000.

The previous prime is 199636163999. The next prime is 199636164011. The reversal of 199636164000 is 461636991.

199636164000 is a `hidden beast` number, since 1 + 9 + 9 + 636 + 1 + 6 + 4 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3272723970 + ... + 3272724030.

It is an arithmetic number, because the mean of its divisors is an integer number (409710756).

Almost surely, 2^199636164000 is an apocalyptic number.

199636164000 is a gapful number since it is divisible by the number (10) 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 199636164000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471986790912).

199636164000 is an abundant number, since it is smaller than the sum of its proper divisors (744337417824).

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

199636164000 is a wasteful number, since it uses less digits than its factorization.

199636164000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 199636164000 in words is "one hundred ninety-nine billion, six hundred thirty-six million, one hundred sixty-four thousand".