197161349 has 12 divisors (see below), whose sum is σ = 250201728. Its totient is φ = 153631800.

The previous prime is 197161339. The next prime is 197161351. The reversal of 197161349 is 943161791.

It is not a de Polignac number, because 197161349 - 2⁸ = 197161093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197161319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182357 + ... + 183434.

It is an arithmetic number, because the mean of its divisors is an integer number (20850144).

Almost surely, 2^197161349 is an apocalyptic number.

It is an amenable number.

197161349 is a deficient number, since it is larger than the sum of its proper divisors (53040379).

197161349 is a wasteful number, since it uses less digits than its factorization.

197161349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365816 (or 365809 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 197161349 is about 14041.4154913242. The cubic root of 197161349 is about 582.0235983944.

The spelling of 197161349 in words is "one hundred ninety-seven million, one hundred sixty-one thousand, three hundred forty-nine".