198552151 has 8 divisors (see below), whose sum is σ = 231198624. Its totient is φ = 166976160.

The previous prime is 198552149. The next prime is 198552161. The reversal of 198552151 is 151255891.

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

It is a cyclic number.

It is not a de Polignac number, because 198552151 - 2¹ = 198552149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 198552151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198552121) 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, 267220 + ... + 267961.

It is an arithmetic number, because the mean of its divisors is an integer number (28899828).

Almost surely, 2^198552151 is an apocalyptic number.

198552151 is a deficient number, since it is larger than the sum of its proper divisors (32646473).

198552151 is an equidigital number, since it uses as much as digits as its factorization.

198552151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535241.

The product of its digits is 18000, while the sum is 37.

The square root of 198552151 is about 14090.8534517963. The cubic root of 198552151 is about 583.3889498718.

The spelling of 198552151 in words is "one hundred ninety-eight million, five hundred fifty-two thousand, one hundred fifty-one".