198008616 has 32 divisors (see below), whose sum is σ = 533100960. Its totient is φ = 60925632.

The previous prime is 198008599. The next prime is 198008641. The reversal of 198008616 is 616800891.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317010 + ... + 317633.

It is an arithmetic number, because the mean of its divisors is an integer number (16659405).

Almost surely, 2^198008616 is an apocalyptic number.

It is an amenable number.

198008616 is an abundant number, since it is smaller than the sum of its proper divisors (335092344).

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

198008616 is a wasteful number, since it uses less digits than its factorization.

198008616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634665 (or 634661 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 198008616 is about 14071.5534323684. The cubic root of 198008616 is about 582.8561224374.

The spelling of 198008616 in words is "one hundred ninety-eight million, eight thousand, six hundred sixteen".