198767616 has 88 divisors (see below), whose sum is σ = 536477760. Its totient is φ = 65421312.

The previous prime is 198767609. The next prime is 198767617. The reversal of 198767616 is 616767891.

198767616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198767617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273045 + ... + 273771.

Almost surely, 2^198767616 is an apocalyptic number.

198767616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198767616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268238880).

198767616 is an abundant number, since it is smaller than the sum of its proper divisors (337710144).

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

198767616 is an equidigital number, since it uses as much as digits as its factorization.

198767616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 821 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 198767616 is about 14098.4969411636. The cubic root of 198767616 is about 583.5999010968.

The spelling of 198767616 in words is "one hundred ninety-eight million, seven hundred sixty-seven thousand, six hundred sixteen".