197342665 has 16 divisors (see below), whose sum is σ = 255725568. Its totient is φ = 145331136.

The previous prime is 197342653. The next prime is 197342687. The reversal of 197342665 is 566243791.

It is a cyclic number.

It is not a de Polignac number, because 197342665 - 2⁹ = 197342153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20932 + ... + 28858.

It is an arithmetic number, because the mean of its divisors is an integer number (15982848).

Almost surely, 2^197342665 is an apocalyptic number.

It is an amenable number.

197342665 is a deficient number, since it is larger than the sum of its proper divisors (58382903).

197342665 is a wasteful number, since it uses less digits than its factorization.

197342665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8328.

The product of its digits is 272160, while the sum is 43.

The square root of 197342665 is about 14047.8704791865. The cubic root of 197342665 is about 582.2019596844.

The spelling of 197342665 in words is "one hundred ninety-seven million, three hundred forty-two thousand, six hundred sixty-five".