163197351 has 12 divisors (see below), whose sum is σ = 245978928. Its totient is φ = 104067744.

The previous prime is 163197347. The next prime is 163197371. The reversal of 163197351 is 153791361.

It is not a de Polignac number, because 163197351 - 2² = 163197347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163197371) 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, 393990 + ... + 394403.

It is an arithmetic number, because the mean of its divisors is an integer number (20498244).

Almost surely, 2^163197351 is an apocalyptic number.

163197351 is a deficient number, since it is larger than the sum of its proper divisors (82781577).

163197351 is a wasteful number, since it uses less digits than its factorization.

163197351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788422 (or 788419 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 163197351 is about 12774.8718584571. The cubic root of 163197351 is about 546.4759264575.

The spelling of 163197351 in words is "one hundred sixty-three million, one hundred ninety-seven thousand, three hundred fifty-one".