16323988549 has 8 divisors (see below), whose sum is σ = 17984305440. Its totient is φ = 14693058000.

The previous prime is 16323988543. The next prime is 16323988573. The reversal of 16323988549 is 94588932361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16323988549 - 2¹¹ = 16323986501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16323988493 and 16323988502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16323988543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7345419 + ... + 7347640.

It is an arithmetic number, because the mean of its divisors is an integer number (2248038180).

Almost surely, 2^16323988549 is an apocalyptic number.

It is an amenable number.

16323988549 is a deficient number, since it is larger than the sum of its proper divisors (1660316891).

16323988549 is a wasteful number, since it uses less digits than its factorization.

16323988549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14693171.

The product of its digits is 11197440, while the sum is 58.

The spelling of 16323988549 in words is "sixteen billion, three hundred twenty-three million, nine hundred eighty-eight thousand, five hundred forty-nine".