16340444632 has 32 divisors (see below), whose sum is σ = 31717036800. Its totient is φ = 7882963200.

The previous prime is 16340444587. The next prime is 16340444633. The reversal of 16340444632 is 23644404361.

It is a junction number, because it is equal to n+sod(n) for n = 16340444591 and 16340444600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16340444633) 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, 317332 + ... + 365212.

It is an arithmetic number, because the mean of its divisors is an integer number (991157400).

Almost surely, 2^16340444632 is an apocalyptic number.

It is an amenable number.

16340444632 is a deficient number, since it is larger than the sum of its proper divisors (15376592168).

16340444632 is a wasteful number, since it uses less digits than its factorization.

16340444632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49387 (or 49383 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 16340444632 its reverse (23644404361), we get a palindrome (39984848993).

The spelling of 16340444632 in words is "sixteen billion, three hundred forty million, four hundred forty-four thousand, six hundred thirty-two".