99163481 has 2 divisors, whose sum is σ = 99163482. Its totient is φ = 99163480.

The previous prime is 99163447. The next prime is 99163501. The reversal of 99163481 is 18436199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92833225 + 6330256 = 9635^2 + 2516^2 .

It is a cyclic number.

It is not a de Polignac number, because 99163481 - 2¹⁸ = 98901337 is a prime.

It is a super-2 number, since 2×99163481² = 19666791928074722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99163411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49581740 + 49581741.

It is an arithmetic number, because the mean of its divisors is an integer number (49581741).

Almost surely, 2^99163481 is an apocalyptic number.

It is an amenable number.

99163481 is a deficient number, since it is larger than the sum of its proper divisors (1).

99163481 is an equidigital number, since it uses as much as digits as its factorization.

99163481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 99163481 is about 9958.0862117176. The cubic root of 99163481 is about 462.8609985045.

The spelling of 99163481 in words is "ninety-nine million, one hundred sixty-three thousand, four hundred eighty-one".