16441972 has 6 divisors (see below), whose sum is σ = 28773458. Its totient is φ = 8220984.

The previous prime is 16441961. The next prime is 16441991. The reversal of 16441972 is 27914461.

It can be written as a sum of positive squares in only one way, i.e., 16434916 + 7056 = 4054^2 + 84^2 .

It is a super-3 number, since 3×16441972³ (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 as a sum of consecutive naturals, namely, 2055243 + ... + 2055250.

Almost surely, 2^16441972 is an apocalyptic number.

It is an amenable number.

16441972 is a deficient number, since it is larger than the sum of its proper divisors (12331486).

16441972 is a wasteful number, since it uses less digits than its factorization.

16441972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110497 (or 4110495 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 16441972 is about 4054.8701582172. The cubic root of 16441972 is about 254.2833756345.

The spelling of 16441972 in words is "sixteen million, four hundred forty-one thousand, nine hundred seventy-two".