163201647 has 32 divisors (see below), whose sum is σ = 260858880. Its totient is φ = 88784640.

The previous prime is 163201609. The next prime is 163201663. The reversal of 163201647 is 746102361.

It is not a de Polignac number, because 163201647 - 2²⁰ = 162153071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163201447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42622 + ... + 46292.

It is an arithmetic number, because the mean of its divisors is an integer number (8151840).

Almost surely, 2^163201647 is an apocalyptic number.

163201647 is a deficient number, since it is larger than the sum of its proper divisors (97657233).

163201647 is a wasteful number, since it uses less digits than its factorization.

163201647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 163201647 is about 12775.0399999374. The cubic root of 163201647 is about 546.4807215516.

The spelling of 163201647 in words is "one hundred sixty-three million, two hundred one thousand, six hundred forty-seven".