199691376 has 20 divisors (see below), whose sum is σ = 515869512. Its totient is φ = 66563776.

The previous prime is 199691363. The next prime is 199691383. The reversal of 199691376 is 673196991.

199691376 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2080071 + ... + 2080166.

Almost surely, 2^199691376 is an apocalyptic number.

199691376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

199691376 is an abundant number, since it is smaller than the sum of its proper divisors (316178136).

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

199691376 is a wasteful number, since it uses less digits than its factorization.

199691376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160248 (or 4160242 counting only the distinct ones).

The product of its digits is 551124, while the sum is 51.

The square root of 199691376 is about 14131.2199048773. The cubic root of 199691376 is about 584.5025854324.

The spelling of 199691376 in words is "one hundred ninety-nine million, six hundred ninety-one thousand, three hundred seventy-six".