197032566 has 8 divisors (see below), whose sum is σ = 394065144. Its totient is φ = 65677520.

The previous prime is 197032531. The next prime is 197032573. The reversal of 197032566 is 665230791.

It is a sphenic number, since it is the product of 3 distinct primes.

197032566 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16419375 + ... + 16419386.

It is an arithmetic number, because the mean of its divisors is an integer number (49258143).

Almost surely, 2^197032566 is an apocalyptic number.

197032566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

197032566 is a wasteful number, since it uses less digits than its factorization.

197032566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32838766.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 197032566 is about 14036.8289153925. The cubic root of 197032566 is about 581.8968476035.

The spelling of 197032566 in words is "one hundred ninety-seven million, thirty-two thousand, five hundred sixty-six".