199696146624 has 168 divisors, whose sum is σ = 633084138960. Its totient is φ = 59784210432.

The previous prime is 199696146613. The next prime is 199696146647. The reversal of 199696146624 is 426641696991.

199696146624 is a `hidden beast` number, since 1 + 9 + 9 + 6 + 9 + 614 + 6 + 6 + 2 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83334 + ... + 637445.

It is an arithmetic number, because the mean of its divisors is an integer number (3768357970).

Almost surely, 2^199696146624 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 199696146624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316542069480).

199696146624 is an abundant number, since it is smaller than the sum of its proper divisors (433387992336).

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

199696146624 is a wasteful number, since it uses less digits than its factorization.

199696146624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720847 (or 720834 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 63.

The spelling of 199696146624 in words is "one hundred ninety-nine billion, six hundred ninety-six million, one hundred forty-six thousand, six hundred twenty-four".