198163516 has 12 divisors (see below), whose sum is σ = 348996088. Its totient is φ = 98450352.

The previous prime is 198163507. The next prime is 198163517. The reversal of 198163516 is 615361891.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198163517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157146 + ... + 158401.

Almost surely, 2^198163516 is an apocalyptic number.

It is an amenable number.

198163516 is a deficient number, since it is larger than the sum of its proper divisors (150832572).

198163516 is a wasteful number, since it uses less digits than its factorization.

198163516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315708 (or 315706 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 198163516 is about 14077.0563684316. The cubic root of 198163516 is about 583.0080701701.

It can be divided in two parts, 19816 and 3516, that added together give a palindrome (23332).

The spelling of 198163516 in words is "one hundred ninety-eight million, one hundred sixty-three thousand, five hundred sixteen".