16438232032 has 12 divisors (see below), whose sum is σ = 32362769376. Its totient is φ = 8219116000.

The previous prime is 16438232029. The next prime is 16438232047. The reversal of 16438232032 is 23023283461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256847344 + ... + 256847407.

It is an arithmetic number, because the mean of its divisors is an integer number (2696897448).

Almost surely, 2^16438232032 is an apocalyptic number.

It is an amenable number.

16438232032 is a deficient number, since it is larger than the sum of its proper divisors (15924537344).

16438232032 is an equidigital number, since it uses as much as digits as its factorization.

16438232032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513694761 (or 513694753 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 16438232032 in words is "sixteen billion, four hundred thirty-eight million, two hundred thirty-two thousand, thirty-two".