197565164 has 12 divisors (see below), whose sum is σ = 347671800. Its totient is φ = 98230368.

The previous prime is 197565119. The next prime is 197565169. The reversal of 197565164 is 461565791.

197565164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (197565169) 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, 137249 + ... + 138680.

It is an arithmetic number, because the mean of its divisors is an integer number (28972650).

Almost surely, 2^197565164 is an apocalyptic number.

It is an amenable number.

197565164 is a deficient number, since it is larger than the sum of its proper divisors (150106636).

197565164 is a wasteful number, since it uses less digits than its factorization.

197565164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276112 (or 276110 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 197565164 is about 14055.7875624242. The cubic root of 197565164 is about 582.4206836320.

The spelling of 197565164 in words is "one hundred ninety-seven million, five hundred sixty-five thousand, one hundred sixty-four".