198068464 has 80 divisors (see below), whose sum is σ = 448364160. Its totient is φ = 83808000.

The previous prime is 198068447. The next prime is 198068537. The reversal of 198068464 is 464860891.

198068464 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×198068464² = 78462232862638592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203499 + ... + 204469.

It is an arithmetic number, because the mean of its divisors is an integer number (5604552).

Almost surely, 2^198068464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198068464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224182080).

198068464 is an abundant number, since it is smaller than the sum of its proper divisors (250295696).

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

198068464 is a wasteful number, since it uses less digits than its factorization.

198068464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 198068464 is about 14073.6798315153. The cubic root of 198068464 is about 582.9148391742.

The spelling of 198068464 in words is "one hundred ninety-eight million, sixty-eight thousand, four hundred sixty-four".