199109672 has 16 divisors (see below), whose sum is σ = 381274560. Its totient is φ = 97436464.

The previous prime is 199109663. The next prime is 199109681. The reversal of 199109672 is 276901991.

199109672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (199109663) and next prime (199109681).

It is a super-2 number, since 2×199109672² = 79289322967895168, which contains 22 as substring.

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, 264398 + ... + 265149.

It is an arithmetic number, because the mean of its divisors is an integer number (23829660).

Almost surely, 2^199109672 is an apocalyptic number.

It is an amenable number.

199109672 is a deficient number, since it is larger than the sum of its proper divisors (182164888).

199109672 is a wasteful number, since it uses less digits than its factorization.

199109672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529600 (or 529596 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 199109672 is about 14110.6226652122. The cubic root of 199109672 is about 583.9344784814.

The spelling of 199109672 in words is "one hundred ninety-nine million, one hundred nine thousand, six hundred seventy-two".