197160816 has 20 divisors (see below), whose sum is σ = 509332232. Its totient is φ = 65720256.

The previous prime is 197160811. The next prime is 197160857. The reversal of 197160816 is 618061791.

197160816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197160811) 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, 2053711 + ... + 2053806.

Almost surely, 2^197160816 is an apocalyptic number.

197160816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

197160816 is an abundant number, since it is smaller than the sum of its proper divisors (312171416).

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

197160816 is a wasteful number, since it uses less digits than its factorization.

197160816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107528 (or 4107522 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 197160816 is about 14041.3965117434. The cubic root of 197160816 is about 582.0230739190.

The spelling of 197160816 in words is "one hundred ninety-seven million, one hundred sixty thousand, eight hundred sixteen".