198163976 has 16 divisors (see below), whose sum is σ = 371754240. Its totient is φ = 99029520.

The previous prime is 198163969. The next prime is 198164003. The reversal of 198163976 is 679361891.

It is a super-2 number, since 2×198163976² = 78537922768257152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12881 + ... + 23711.

It is an arithmetic number, because the mean of its divisors is an integer number (23234640).

Almost surely, 2^198163976 is an apocalyptic number.

It is an amenable number.

198163976 is a deficient number, since it is larger than the sum of its proper divisors (173590264).

198163976 is a wasteful number, since it uses less digits than its factorization.

198163976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13124 (or 13120 counting only the distinct ones).

The product of its digits is 489888, while the sum is 50.

The square root of 198163976 is about 14077.0727070652. The cubic root of 198163976 is about 583.0085212849.

The spelling of 198163976 in words is "one hundred ninety-eight million, one hundred sixty-three thousand, nine hundred seventy-six".