99016431 has 4 divisors (see below), whose sum is σ = 132021912. Its totient is φ = 66010952.

The previous prime is 99016417. The next prime is 99016433. The reversal of 99016431 is 13461099.

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 99016431 - 2⁶ = 99016367 is a prime.

It is a super-2 number, since 2×99016431² = 19608507215955522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99016392 and 99016401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99016433) 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, 16502736 + ... + 16502741.

It is an arithmetic number, because the mean of its divisors is an integer number (33005478).

Almost surely, 2^99016431 is an apocalyptic number.

99016431 is a deficient number, since it is larger than the sum of its proper divisors (33005481).

99016431 is a wasteful number, since it uses less digits than its factorization.

99016431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33005480.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 99016431 is about 9950.7000256263. The cubic root of 99016431 is about 462.6320923894.

The spelling of 99016431 in words is "ninety-nine million, sixteen thousand, four hundred thirty-one".