16449885879 has 8 divisors (see below), whose sum is σ = 25066492800. Its totient is φ = 9399934776.

The previous prime is 16449885871. The next prime is 16449885901. The reversal of 16449885879 is 97858894461.

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

It is not a de Polignac number, because 16449885879 - 2³ = 16449885871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16449885871) 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, 391663929 + ... + 391663970.

It is an arithmetic number, because the mean of its divisors is an integer number (3133311600).

Almost surely, 2^16449885879 is an apocalyptic number.

16449885879 is a deficient number, since it is larger than the sum of its proper divisors (8616606921).

16449885879 is an equidigital number, since it uses as much as digits as its factorization.

16449885879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783327909.

The product of its digits is 139345920, while the sum is 69.

The spelling of 16449885879 in words is "sixteen billion, four hundred forty-nine million, eight hundred eighty-five thousand, eight hundred seventy-nine".