16622036440 has 32 divisors (see below), whose sum is σ = 37567313280. Its totient is φ = 6618995712.

The previous prime is 16622036411. The next prime is 16622036471. The reversal of 16622036440 is 4463022661.

16622036440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16622036396 and 16622036405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922809 + ... + 940648.

It is an arithmetic number, because the mean of its divisors is an integer number (1173978540).

Almost surely, 2^16622036440 is an apocalyptic number.

16622036440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16622036440 is an abundant number, since it is smaller than the sum of its proper divisors (20945276840).

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

16622036440 is a wasteful number, since it uses less digits than its factorization.

16622036440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863691 (or 1863687 counting only the distinct ones).

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

The spelling of 16622036440 in words is "sixteen billion, six hundred twenty-two million, thirty-six thousand, four hundred forty".