163276133 has 2 divisors, whose sum is σ = 163276134. Its totient is φ = 163276132.

The previous prime is 163276121. The next prime is 163276171. The reversal of 163276133 is 331672361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161366209 + 1909924 = 12703^2 + 1382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163276133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163276133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163273133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81638066 + 81638067.

It is an arithmetic number, because the mean of its divisors is an integer number (81638067).

Almost surely, 2^163276133 is an apocalyptic number.

It is an amenable number.

163276133 is a deficient number, since it is larger than the sum of its proper divisors (1).

163276133 is an equidigital number, since it uses as much as digits as its factorization.

163276133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

The square root of 163276133 is about 12777.9549615735. The cubic root of 163276133 is about 546.5638476978.

The spelling of 163276133 in words is "one hundred sixty-three million, two hundred seventy-six thousand, one hundred thirty-three".