197166072 has 16 divisors (see below), whose sum is σ = 492915240. Its totient is φ = 65722016.

The previous prime is 197166037. The next prime is 197166113. The reversal of 197166072 is 270661791.

It is a self number, because there is not a number n which added to its sum of digits gives 197166072.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4107603 + ... + 4107650.

Almost surely, 2^197166072 is an apocalyptic number.

197166072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197166072 is an abundant number, since it is smaller than the sum of its proper divisors (295749168).

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

197166072 is a wasteful number, since it uses less digits than its factorization.

197166072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8215262 (or 8215258 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 197166072 is about 14041.5836713670. The cubic root of 197166072 is about 582.0282458156.

The spelling of 197166072 in words is "one hundred ninety-seven million, one hundred sixty-six thousand, seventy-two".