197366664 has 64 divisors (see below), whose sum is σ = 541946880. Its totient is φ = 59400000.

The previous prime is 197366633. The next prime is 197366683. The reversal of 197366664 is 466663791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37389 + ... + 42339.

It is an arithmetic number, because the mean of its divisors is an integer number (8467920).

Almost surely, 2^197366664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197366664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270973440).

197366664 is an abundant number, since it is smaller than the sum of its proper divisors (344580216).

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

197366664 is a wasteful number, since it uses less digits than its factorization.

197366664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122 (or 5118 counting only the distinct ones).

The product of its digits is 979776, while the sum is 48.

The square root of 197366664 is about 14048.7246396248. The cubic root of 197366664 is about 582.2255594104.

The spelling of 197366664 in words is "one hundred ninety-seven million, three hundred sixty-six thousand, six hundred sixty-four".