198434001151 has 4 divisors (see below), whose sum is σ = 210106589472. Its totient is φ = 186761412832.

The previous prime is 198434001149. The next prime is 198434001179. The reversal of 198434001151 is 151100434891.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 198434001151 - 2¹ = 198434001149 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 198434001151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198434001131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5836294135 + ... + 5836294168.

It is an arithmetic number, because the mean of its divisors is an integer number (52526647368).

Almost surely, 2^198434001151 is an apocalyptic number.

198434001151 is a deficient number, since it is larger than the sum of its proper divisors (11672588321).

198434001151 is a wasteful number, since it uses less digits than its factorization.

198434001151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11672588320.

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 198434001151 in words is "one hundred ninety-eight billion, four hundred thirty-four million, one thousand, one hundred fifty-one".