197474473161 has 45 divisors (see below), whose sum is σ = 332871369389. Its totient is φ = 112805228088.

The previous prime is 197474473153. The next prime is 197474473193. The reversal of 197474473161 is 161374474791.

The square root of 197474473161 is 444381.

It is a perfect power (a square), and thus also a powerful number.

197474473161 is a `hidden beast` number, since 1 + 9 + 7 + 4 + 7 + 4 + 473 + 161 = 666.

It is not a de Polignac number, because 197474473161 - 2³ = 197474473153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197474473098 and 197474473107.

It is not an unprimeable number, because it can be changed into a prime (197474473561) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 65322496 + ... + 65325518.

Almost surely, 2^197474473161 is an apocalyptic number.

197474473161 is the 444381-st square number.

197474473161 is the 222191-st centered octagonal number.

It is an amenable number.

197474473161 is a deficient number, since it is larger than the sum of its proper divisors (135396896228).

197474473161 is an frugal number, since it uses more digits than its factorization.

197474473161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080 (or 3033 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The spelling of 197474473161 in words is "one hundred ninety-seven billion, four hundred seventy-four million, four hundred seventy-three thousand, one hundred sixty-one".