16438880622 has 16 divisors (see below), whose sum is σ = 33087175632. Its totient is φ = 5444724480.

The previous prime is 16438880621. The next prime is 16438880629. The reversal of 16438880622 is 22608883461.

It is a super-2 number, since 2×16438880622² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16438880621) 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, 8724579 + ... + 8726462.

It is an arithmetic number, because the mean of its divisors is an integer number (2067948477).

Almost surely, 2^16438880622 is an apocalyptic number.

16438880622 is an abundant number, since it is smaller than the sum of its proper divisors (16648295010).

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

16438880622 is a wasteful number, since it uses less digits than its factorization.

16438880622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17451203.

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 16438880622 in words is "sixteen billion, four hundred thirty-eight million, eight hundred eighty thousand, six hundred twenty-two".