16438498932 has 24 divisors (see below), whose sum is σ = 38818626336. Its totient is φ = 5413481248.

The previous prime is 16438498927. The next prime is 16438498949. The reversal of 16438498932 is 23989483461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8251263 + ... + 8253254.

It is an arithmetic number, because the mean of its divisors is an integer number (1617442764).

Almost surely, 2^16438498932 is an apocalyptic number.

16438498932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16438498932 is an abundant number, since it is smaller than the sum of its proper divisors (22380127404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16438498932 is a wasteful number, since it uses less digits than its factorization.

16438498932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16504607 (or 16504605 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 57.

The spelling of 16438498932 in words is "sixteen billion, four hundred thirty-eight million, four hundred ninety-eight thousand, nine hundred thirty-two".