199553154 has 8 divisors (see below), whose sum is σ = 399106320. Its totient is φ = 66517716.

The previous prime is 199553113. The next prime is 199553183. The reversal of 199553154 is 451355991.

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

199553154 is an admirable number.

It is a super-2 number, since 2×199553154² = 79642922542695432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16629424 + ... + 16629435.

It is an arithmetic number, because the mean of its divisors is an integer number (49888290).

Almost surely, 2^199553154 is an apocalyptic number.

199553154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

199553154 is a wasteful number, since it uses less digits than its factorization.

199553154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33258864.

The product of its digits is 121500, while the sum is 42.

The square root of 199553154 is about 14126.3283977118. The cubic root of 199553154 is about 584.3676943390.

The spelling of 199553154 in words is "one hundred ninety-nine million, five hundred fifty-three thousand, one hundred fifty-four".