99168743 has 4 divisors (see below), whose sum is σ = 99371208. Its totient is φ = 98966280.

The previous prime is 99168739. The next prime is 99168749. The reversal of 99168743 is 34786199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99168743 - 2² = 99168739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99168749) 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, 100496 + ... + 101477.

It is an arithmetic number, because the mean of its divisors is an integer number (24842802).

Almost surely, 2^99168743 is an apocalyptic number.

99168743 is a deficient number, since it is larger than the sum of its proper divisors (202465).

99168743 is a wasteful number, since it uses less digits than its factorization.

99168743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202464.

The product of its digits is 326592, while the sum is 47.

The square root of 99168743 is about 9958.3504156060. The cubic root of 99168743 is about 462.8691854280.

The spelling of 99168743 in words is "ninety-nine million, one hundred sixty-eight thousand, seven hundred forty-three".