163752889 has 2 divisors, whose sum is σ = 163752890. Its totient is φ = 163752888.

The previous prime is 163752877. The next prime is 163752913. The reversal of 163752889 is 988257361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149817600 + 13935289 = 12240^2 + 3733^2 .

It is a cyclic number.

It is not a de Polignac number, because 163752889 - 2¹⁵ = 163720121 is a prime.

It is not a weakly prime, because it can be changed into another prime (163752829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81876444 + 81876445.

It is an arithmetic number, because the mean of its divisors is an integer number (81876445).

Almost surely, 2^163752889 is an apocalyptic number.

It is an amenable number.

163752889 is a deficient number, since it is larger than the sum of its proper divisors (1).

163752889 is an equidigital number, since it uses as much as digits as its factorization.

163752889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 49.

The square root of 163752889 is about 12796.5967741427. The cubic root of 163752889 is about 547.0953080655.

The spelling of 163752889 in words is "one hundred sixty-three million, seven hundred fifty-two thousand, eight hundred eighty-nine".