199252716804 has 36 divisors (see below), whose sum is σ = 522320910384. Its totient is φ = 66417571944.

The previous prime is 199252716797. The next prime is 199252716899. The reversal of 199252716804 is 408617252991.

It is a happy number.

199252716804 is a `hidden beast` number, since 19 + 92 + 527 + 16 + 8 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102495282 + ... + 102497225.

Almost surely, 2^199252716804 is an apocalyptic number.

It is an amenable number.

199252716804 is an abundant number, since it is smaller than the sum of its proper divisors (323068193580).

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

199252716804 is a wasteful number, since it uses less digits than its factorization.

199252716804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204992526 (or 204992512 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 199252716804 in words is "one hundred ninety-nine billion, two hundred fifty-two million, seven hundred sixteen thousand, eight hundred four".