197207216 has 10 divisors (see below), whose sum is σ = 382089012. Its totient is φ = 98603600.

The previous prime is 197207203. The next prime is 197207233. The reversal of 197207216 is 612702791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6162710 + ... + 6162741.

Almost surely, 2^197207216 is an apocalyptic number.

197207216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

197207216 is a deficient number, since it is larger than the sum of its proper divisors (184881796).

197207216 is a wasteful number, since it uses less digits than its factorization.

197207216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12325459 (or 12325453 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 197207216 is about 14043.0486718518. The cubic root of 197207216 is about 582.0687282786.

The spelling of 197207216 in words is "one hundred ninety-seven million, two hundred seven thousand, two hundred sixteen".