198153011 has 12 divisors (see below), whose sum is σ = 232792560. Its totient is φ = 168159600.

The previous prime is 198153001. The next prime is 198153017. The reversal of 198153011 is 110351891.

It is a de Polignac number, because none of the positive numbers 2^k-198153011 is a prime.

It is a super-2 number, since 2×198153011² = 78529231536732242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198153017) 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 11 ways as a sum of consecutive naturals, for example, 15071 + ... + 24968.

It is an arithmetic number, because the mean of its divisors is an integer number (19399380).

Almost surely, 2^198153011 is an apocalyptic number.

198153011 is a deficient number, since it is larger than the sum of its proper divisors (34639549).

198153011 is a wasteful number, since it uses less digits than its factorization.

198153011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40154 (or 40147 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 198153011 is about 14076.6832386042. The cubic root of 198153011 is about 582.9977678902.

The spelling of 198153011 in words is "one hundred ninety-eight million, one hundred fifty-three thousand, eleven".