163969201 has 16 divisors (see below), whose sum is σ = 182710080. Its totient is φ = 145890880.

The previous prime is 163969189. The next prime is 163969213. The reversal of 163969201 is 102969361.

It is an interprime number because it is at equal distance from previous prime (163969189) and next prime (163969213).

It is a cyclic number.

It is not a de Polignac number, because 163969201 - 2¹⁹ = 163444913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163969801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205335 + ... + 206131.

It is an arithmetic number, because the mean of its divisors is an integer number (11419380).

Almost surely, 2^163969201 is an apocalyptic number.

163969201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163969201 is a deficient number, since it is larger than the sum of its proper divisors (18740879).

163969201 is a wasteful number, since it uses less digits than its factorization.

163969201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 163969201 is about 12805.0459194803. The cubic root of 163969201 is about 547.3361001721.

The spelling of 163969201 in words is "one hundred sixty-three million, nine hundred sixty-nine thousand, two hundred one".