198526768 has 20 divisors (see below), whose sum is σ = 419613768. Its totient is φ = 90239360.

The previous prime is 198526753. The next prime is 198526771. The reversal of 198526768 is 867625891.

198526768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×198526768² = 78825755225051648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563821 + ... + 564172.

Almost surely, 2^198526768 is an apocalyptic number.

It is an amenable number.

198526768 is an abundant number, since it is smaller than the sum of its proper divisors (221087000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198526768 is a wasteful number, since it uses less digits than its factorization.

198526768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128012 (or 1128006 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The square root of 198526768 is about 14089.9527323551. The cubic root of 198526768 is about 583.3640885735.

The spelling of 198526768 in words is "one hundred ninety-eight million, five hundred twenty-six thousand, seven hundred sixty-eight".