99168587 has 4 divisors (see below), whose sum is σ = 113335536. Its totient is φ = 85001640.

The previous prime is 99168583. The next prime is 99168631. The reversal of 99168587 is 78586199.

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 99168587 - 2² = 99168583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99168583) 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, 7083464 + ... + 7083477.

It is an arithmetic number, because the mean of its divisors is an integer number (28333884).

Almost surely, 2^99168587 is an apocalyptic number.

99168587 is a deficient number, since it is larger than the sum of its proper divisors (14166949).

99168587 is a wasteful number, since it uses less digits than its factorization.

99168587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14166948.

The product of its digits is 1088640, while the sum is 53.

The square root of 99168587 is about 9958.3425829804. The cubic root of 99168587 is about 462.8689427184.

The spelling of 99168587 in words is "ninety-nine million, one hundred sixty-eight thousand, five hundred eighty-seven".