99366143 has 4 divisors (see below), whose sum is σ = 104595960. Its totient is φ = 94136328.

The previous prime is 99366119. The next prime is 99366161. The reversal of 99366143 is 34166399.

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 99366143 - 2⁶ = 99366079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99366143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99366103) 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, 2614880 + ... + 2614917.

It is an arithmetic number, because the mean of its divisors is an integer number (26148990).

Almost surely, 2^99366143 is an apocalyptic number.

99366143 is a deficient number, since it is larger than the sum of its proper divisors (5229817).

99366143 is a wasteful number, since it uses less digits than its factorization.

99366143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229816.

The product of its digits is 104976, while the sum is 41.

The square root of 99366143 is about 9968.2567683623. The cubic root of 99366143 is about 463.1761027615.

The spelling of 99366143 in words is "ninety-nine million, three hundred sixty-six thousand, one hundred forty-three".