16622976 has 64 divisors (see below), whose sum is σ = 44835120. Its totient is φ = 5455872.

The previous prime is 16622959. The next prime is 16622989. The reversal of 16622976 is 67922661.

16622976 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

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, 27736 + ... + 28328.

Almost surely, 2^16622976 is an apocalyptic number.

16622976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16622976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22417560).

16622976 is an abundant number, since it is smaller than the sum of its proper divisors (28212144).

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

16622976 is an equidigital number, since it uses as much as digits as its factorization.

16622976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 671 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 16622976 is about 4077.1284012157. The cubic root of 16622976 is about 255.2130783417.

The spelling of 16622976 in words is "sixteen million, six hundred twenty-two thousand, nine hundred seventy-six".