197164266 has 32 divisors (see below), whose sum is σ = 449644608. Its totient is φ = 57096960.

The previous prime is 197164241. The next prime is 197164271. The reversal of 197164266 is 662461791.

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, 73020 + ... + 75671.

It is an arithmetic number, because the mean of its divisors is an integer number (14051394).

Almost surely, 2^197164266 is an apocalyptic number.

197164266 is an abundant number, since it is smaller than the sum of its proper divisors (252480342).

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

197164266 is a wasteful number, since it uses less digits than its factorization.

197164266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148726.

The product of its digits is 108864, while the sum is 42.

The square root of 197164266 is about 14041.5193622343. The cubic root of 197164266 is about 582.0264687245.

The spelling of 197164266 in words is "one hundred ninety-seven million, one hundred sixty-four thousand, two hundred sixty-six".