15966441 has 12 divisors (see below), whose sum is σ = 24276720. Its totient is φ = 10083960.

The previous prime is 15966437. The next prime is 15966469. The reversal of 15966441 is 14466951.

15966441 is a `hidden beast` number, since 1 + 5 + 9 + 6 + 644 + 1 = 666.

It is not a de Polignac number, because 15966441 - 2² = 15966437 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 15966396 and 15966405.

It is not an unprimeable number, because it can be changed into a prime (15966421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46515 + ... + 46856.

It is an arithmetic number, because the mean of its divisors is an integer number (2023060).

Almost surely, 2^15966441 is an apocalyptic number.

It is an amenable number.

15966441 is a deficient number, since it is larger than the sum of its proper divisors (8310279).

15966441 is a wasteful number, since it uses less digits than its factorization.

15966441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93396 (or 93393 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 15966441 is about 3995.8029230682. The cubic root of 15966441 is about 251.8079129537.

The spelling of 15966441 in words is "fifteen million, nine hundred sixty-six thousand, four hundred forty-one".