198774560263 has 8 divisors (see below), whose sum is σ = 201231655200. Its totient is φ = 196332048000.

The previous prime is 198774560251. The next prime is 198774560273. The reversal of 198774560263 is 362065477891.

198774560263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 198774560263 - 2⁹ = 198774559751 is a prime.

It is a super-2 number, since 2×198774560263² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198774560198 and 198774560207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198774560233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3618238 + ... + 3672763.

It is an arithmetic number, because the mean of its divisors is an integer number (25153956900).

It is a 1-persistent number, because it is pandigital, but 2⋅198774560263 = 397549120526 is not.

Almost surely, 2^198774560263 is an apocalyptic number.

198774560263 is a deficient number, since it is larger than the sum of its proper divisors (2457094937).

198774560263 is a wasteful number, since it uses less digits than its factorization.

198774560263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7291337.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 198774560263 in words is "one hundred ninety-eight billion, seven hundred seventy-four million, five hundred sixty thousand, two hundred sixty-three".