199109553 has 8 divisors (see below), whose sum is σ = 267108768. Its totient is φ = 131925024.

The previous prime is 199109549. The next prime is 199109557. The reversal of 199109553 is 355901991.

It is an interprime number because it is at equal distance from previous prime (199109549) and next prime (199109557).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199109553 - 2² = 199109549 is a prime.

It is a super-2 number, since 2×199109553² = 79289228191719618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199109557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203100 + ... + 204077.

It is an arithmetic number, because the mean of its divisors is an integer number (33388596).

Almost surely, 2^199109553 is an apocalyptic number.

It is an amenable number.

199109553 is a deficient number, since it is larger than the sum of its proper divisors (67999215).

199109553 is a wasteful number, since it uses less digits than its factorization.

199109553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407343.

The product of its (nonzero) digits is 54675, while the sum is 42.

The square root of 199109553 is about 14110.6184485302. The cubic root of 199109553 is about 583.9343621498.

The spelling of 199109553 in words is "one hundred ninety-nine million, one hundred nine thousand, five hundred fifty-three".