16441980 has 24 divisors (see below), whose sum is σ = 46037712. Its totient is φ = 4384512.

The previous prime is 16441961. The next prime is 16441991. The reversal of 16441980 is 8914461.

It is a super-3 number, since 3×16441980³ (a number of 23 digits) contains 333 as substring.

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, 136957 + ... + 137076.

It is an arithmetic number, because the mean of its divisors is an integer number (1918238).

Almost surely, 2^16441980 is an apocalyptic number.

16441980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16441980 is an abundant number, since it is smaller than the sum of its proper divisors (29595732).

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

16441980 is a wasteful number, since it uses less digits than its factorization.

16441980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274045 (or 274043 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 16441980 is about 4054.8711446851. The cubic root of 16441980 is about 254.2834168759.

The spelling of 16441980 in words is "sixteen million, four hundred forty-one thousand, nine hundred eighty".