163486197 has 36 divisors (see below), whose sum is σ = 275696460. Its totient is φ = 93082752.

The previous prime is 163486177. The next prime is 163486199. The reversal of 163486197 is 791684361.

It is a happy number.

163486197 is a `hidden beast` number, since 1 + 634 + 8 + 6 + 1 + 9 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52794756 + 110691441 = 7266^2 + 10521^2 .

It is not a de Polignac number, because 163486197 - 2¹² = 163482101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163486199) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 171073 + ... + 172025.

It is an arithmetic number, because the mean of its divisors is an integer number (7658235).

Almost surely, 2^163486197 is an apocalyptic number.

It is an amenable number.

163486197 is a deficient number, since it is larger than the sum of its proper divisors (112210263).

163486197 is a wasteful number, since it uses less digits than its factorization.

163486197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362 (or 1352 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 163486197 is about 12786.1721011411. The cubic root of 163486197 is about 546.7981423723.

The spelling of 163486197 in words is "one hundred sixty-three million, four hundred eighty-six thousand, one hundred ninety-seven".