163052191 has 2 divisors, whose sum is σ = 163052192. Its totient is φ = 163052190.

The previous prime is 163052179. The next prime is 163052209. The reversal of 163052191 is 191250361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163052191 - 2⁵ = 163052159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163052111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81526095 + 81526096.

It is an arithmetic number, because the mean of its divisors is an integer number (81526096).

Almost surely, 2^163052191 is an apocalyptic number.

163052191 is a deficient number, since it is larger than the sum of its proper divisors (1).

163052191 is an equidigital number, since it uses as much as digits as its factorization.

163052191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 163052191 is about 12769.1891285234. The cubic root of 163052191 is about 546.3138527958.

It can be divided in two parts, 16305 and 2191, that added together give a square (18496 = 136²).

The spelling of 163052191 in words is "one hundred sixty-three million, fifty-two thousand, one hundred ninety-one".