16441974 has 16 divisors (see below), whose sum is σ = 36537840. Its totient is φ = 5480640.

The previous prime is 16441961. The next prime is 16441991. The reversal of 16441974 is 47914461.

16441974 is a `hidden beast` number, since 1 + 644 + 1 + 9 + 7 + 4 = 666.

It is a super-3 number, since 3×16441974³ (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, 152187 + ... + 152294.

It is an arithmetic number, because the mean of its divisors is an integer number (2283615).

Almost surely, 2^16441974 is an apocalyptic number.

16441974 is an abundant number, since it is smaller than the sum of its proper divisors (20095866).

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

16441974 is a wasteful number, since it uses less digits than its factorization.

16441974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304492 (or 304486 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 16441974 is about 4054.8704048342. The cubic root of 16441974 is about 254.2833859449.

The spelling of 16441974 in words is "sixteen million, four hundred forty-one thousand, nine hundred seventy-four".