198453357327 has 16 divisors (see below), whose sum is σ = 267220321280. Its totient is φ = 130996027872.

The previous prime is 198453357307. The next prime is 198453357341. The reversal of 198453357327 is 723753354891.

It is not a de Polignac number, because 198453357327 - 2³¹ = 196305873679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198453357307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252078 + ... + 678564.

It is an arithmetic number, because the mean of its divisors is an integer number (16701270080).

Almost surely, 2^198453357327 is an apocalyptic number.

198453357327 is a deficient number, since it is larger than the sum of its proper divisors (68766963953).

198453357327 is a wasteful number, since it uses less digits than its factorization.

198453357327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428022.

The product of its digits is 19051200, while the sum is 57.

The spelling of 198453357327 in words is "one hundred ninety-eight billion, four hundred fifty-three million, three hundred fifty-seven thousand, three hundred twenty-seven".