99163157 has 2 divisors, whose sum is σ = 99163158. Its totient is φ = 99163156.

The previous prime is 99163123. The next prime is 99163237. The reversal of 99163157 is 75136199.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97337956 + 1825201 = 9866^2 + 1351^2 .

It is a cyclic number.

It is not a de Polignac number, because 99163157 - 2¹⁸ = 98901013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99160157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49581578 + 49581579.

It is an arithmetic number, because the mean of its divisors is an integer number (49581579).

Almost surely, 2^99163157 is an apocalyptic number.

It is an amenable number.

99163157 is a deficient number, since it is larger than the sum of its proper divisors (1).

99163157 is an equidigital number, since it uses as much as digits as its factorization.

99163157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 41.

The square root of 99163157 is about 9958.0699435182. The cubic root of 99163157 is about 462.8604943971.

The spelling of 99163157 in words is "ninety-nine million, one hundred sixty-three thousand, one hundred fifty-seven".