163552331 has 2 divisors, whose sum is σ = 163552332. Its totient is φ = 163552330.

The previous prime is 163552243. The next prime is 163552343. The reversal of 163552331 is 133255361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163552331 - 2¹⁴ = 163535947 is a prime.

It is a super-2 number, since 2×163552331² = 53498729951067122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 163552294 and 163552303.

It is not a weakly prime, because it can be changed into another prime (163552351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81776165 + 81776166.

It is an arithmetic number, because the mean of its divisors is an integer number (81776166).

Almost surely, 2^163552331 is an apocalyptic number.

163552331 is a deficient number, since it is larger than the sum of its proper divisors (1).

163552331 is an equidigital number, since it uses as much as digits as its factorization.

163552331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 29.

The square root of 163552331 is about 12788.7579928623. The cubic root of 163552331 is about 546.8718633224.

The spelling of 163552331 in words is "one hundred sixty-three million, five hundred fifty-two thousand, three hundred thirty-one".