199199558376 has 384 divisors, whose sum is σ = 683468997120. Its totient is φ = 51002099712.

The previous prime is 199199558351. The next prime is 199199558399. The reversal of 199199558376 is 673855991991.

199199558376 is a `hidden beast` number, since 19 + 9 + 199 + 5 + 58 + 376 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 187393221 + ... + 187394283.

It is an arithmetic number, because the mean of its divisors is an integer number (1779867180).

Almost surely, 2^199199558376 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 199199558376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341734498560).

199199558376 is an abundant number, since it is smaller than the sum of its proper divisors (484269438744).

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

199199558376 is a wasteful number, since it uses less digits than its factorization.

199199558376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905 (or 1898 counting only the distinct ones).

The product of its digits is 165337200, while the sum is 72.

The spelling of 199199558376 in words is "one hundred ninety-nine billion, one hundred ninety-nine million, five hundred fifty-eight thousand, three hundred seventy-six".