198115662 has 16 divisors (see below), whose sum is σ = 396536400. Its totient is φ = 65987712.

The previous prime is 198115657. The next prime is 198115703. The reversal of 198115662 is 266511891.

198115662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 198115662.

It is a congruent number.

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, 3787 + ... + 20262.

It is an arithmetic number, because the mean of its divisors is an integer number (24783525).

Almost surely, 2^198115662 is an apocalyptic number.

198115662 is an abundant number, since it is smaller than the sum of its proper divisors (198420738).

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

198115662 is a wasteful number, since it uses less digits than its factorization.

198115662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25427.

The product of its digits is 25920, while the sum is 39.

The square root of 198115662 is about 14075.3565496580. The cubic root of 198115662 is about 582.9611366833.

The spelling of 198115662 in words is "one hundred ninety-eight million, one hundred fifteen thousand, six hundred sixty-two".