198815162 has 16 divisors (see below), whose sum is σ = 367043712. Its totient is φ = 78652080.

The previous prime is 198815161. The next prime is 198815173. The reversal of 198815162 is 261518891.

It is not an unprimeable number, because it can be changed into a prime (198815161) 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, 546014 + ... + 546377.

It is an arithmetic number, because the mean of its divisors is an integer number (22940232).

Almost surely, 2^198815162 is an apocalyptic number.

198815162 is a deficient number, since it is larger than the sum of its proper divisors (168228550).

198815162 is a wasteful number, since it uses less digits than its factorization.

198815162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092413.

The product of its digits is 34560, while the sum is 41.

The square root of 198815162 is about 14100.1830484572. The cubic root of 198815162 is about 583.6464305219.

The spelling of 198815162 in words is "one hundred ninety-eight million, eight hundred fifteen thousand, one hundred sixty-two".