16466434099 has 4 divisors (see below), whose sum is σ = 16466696064. Its totient is φ = 16466172136.

The previous prime is 16466434093. The next prime is 16466434109. The reversal of 16466434099 is 99043466461.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16466434099 is a prime.

It is a super-2 number, since 2×16466434099² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16466434093) 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, 26094 + ... + 183340.

It is an arithmetic number, because the mean of its divisors is an integer number (4116674016).

Almost surely, 2^16466434099 is an apocalyptic number.

16466434099 is a deficient number, since it is larger than the sum of its proper divisors (261965).

16466434099 is a wasteful number, since it uses less digits than its factorization.

16466434099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261964.

The product of its (nonzero) digits is 3359232, while the sum is 52.

The spelling of 16466434099 in words is "sixteen billion, four hundred sixty-six million, four hundred thirty-four thousand, ninety-nine".