16534099 has 4 divisors (see below), whose sum is σ = 16588264. Its totient is φ = 16479936.

The previous prime is 16534087. The next prime is 16534103. The reversal of 16534099 is 99043561.

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 16534099 - 2¹¹ = 16532051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16534019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26622 + ... + 27235.

It is an arithmetic number, because the mean of its divisors is an integer number (4147066).

Almost surely, 2^16534099 is an apocalyptic number.

16534099 is a deficient number, since it is larger than the sum of its proper divisors (54165).

16534099 is an equidigital number, since it uses as much as digits as its factorization.

16534099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54164.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 16534099 is about 4066.2143327670. The cubic root of 16534099 is about 254.7574214962.

It can be divided in two parts, 165 and 34099, that multiplied together give a triangular number (5626335 = T₃₃₅₄).

The spelling of 16534099 in words is "sixteen million, five hundred thirty-four thousand, ninety-nine".