197260660 has 24 divisors (see below), whose sum is σ = 436050720. Its totient is φ = 74751264.

The previous prime is 197260643. The next prime is 197260667. The reversal of 197260660 is 66062791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197260667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259174 + ... + 259933.

It is an arithmetic number, because the mean of its divisors is an integer number (18168780).

Almost surely, 2^197260660 is an apocalyptic number.

197260660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197260660 is an abundant number, since it is smaller than the sum of its proper divisors (238790060).

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

197260660 is a wasteful number, since it uses less digits than its factorization.

197260660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519135 (or 519133 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 197260660 is about 14044.9514061103. The cubic root of 197260660 is about 582.1213045687.

The spelling of 197260660 in words is "one hundred ninety-seven million, two hundred sixty thousand, six hundred sixty".