99916673 has 2 divisors, whose sum is σ = 99916674. Its totient is φ = 99916672.

The previous prime is 99916639. The next prime is 99916681. The reversal of 99916673 is 37661999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64192144 + 35724529 = 8012^2 + 5977^2 .

It is an emirp because it is prime and its reverse (37661999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99916673 - 2¹² = 99912577 is a prime.

It is not a weakly prime, because it can be changed into another prime (99916603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49958336 + 49958337.

It is an arithmetic number, because the mean of its divisors is an integer number (49958337).

Almost surely, 2^99916673 is an apocalyptic number.

It is an amenable number.

99916673 is a deficient number, since it is larger than the sum of its proper divisors (1).

99916673 is an equidigital number, since it uses as much as digits as its factorization.

99916673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 50.

The square root of 99916673 is about 9995.8327817146. The cubic root of 99916673 is about 464.0299243112.

The spelling of 99916673 in words is "ninety-nine million, nine hundred sixteen thousand, six hundred seventy-three".