99161767 has 2 divisors, whose sum is σ = 99161768. Its totient is φ = 99161766.

The previous prime is 99161747. The next prime is 99161789. The reversal of 99161767 is 76716199.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99161767 - 2¹¹ = 99159719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99161747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49580883 + 49580884.

It is an arithmetic number, because the mean of its divisors is an integer number (49580884).

Almost surely, 2^99161767 is an apocalyptic number.

99161767 is a deficient number, since it is larger than the sum of its proper divisors (1).

99161767 is an equidigital number, since it uses as much as digits as its factorization.

99161767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 46.

The square root of 99161767 is about 9958.0001506327. Note that the first 3 decimals coincide. The cubic root of 99161767 is about 462.8583317018.

The spelling of 99161767 in words is "ninety-nine million, one hundred sixty-one thousand, seven hundred sixty-seven".