99740163 has 4 divisors (see below), whose sum is σ = 132986888. Its totient is φ = 66493440.

The previous prime is 99740159. The next prime is 99740171. The reversal of 99740163 is 36104799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36104799 = 3 ⋅12034933.

It is not a de Polignac number, because 99740163 - 2² = 99740159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99740363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16623358 + ... + 16623363.

It is an arithmetic number, because the mean of its divisors is an integer number (33246722).

Almost surely, 2^99740163 is an apocalyptic number.

99740163 is a deficient number, since it is larger than the sum of its proper divisors (33246725).

99740163 is a wasteful number, since it uses less digits than its factorization.

99740163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33246724.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 99740163 is about 9986.9996996095. Note that the first 3 decimals coincide. The cubic root of 99740163 is about 463.7565158206.

The spelling of 99740163 in words is "ninety-nine million, seven hundred forty thousand, one hundred sixty-three".