966555441 has 24 divisors (see below), whose sum is σ = 1488240000. Its totient is φ = 602720352.

The previous prime is 966555437. The next prime is 966555449. The reversal of 966555441 is 144555669.

966555441 is a `hidden beast` number, since 96 + 6 + 5 + 554 + 4 + 1 = 666.

It is not a de Polignac number, because 966555441 - 2² = 966555437 is a prime.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (966555449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22266 + ... + 49283.

It is an arithmetic number, because the mean of its divisors is an integer number (62010000).

Almost surely, 2^966555441 is an apocalyptic number.

It is an amenable number.

966555441 is a deficient number, since it is larger than the sum of its proper divisors (521684559).

966555441 is a wasteful number, since it uses less digits than its factorization.

966555441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71653 (or 71650 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 966555441 is about 31089.4747623693. The cubic root of 966555441 is about 988.7251696256.

The spelling of 966555441 in words is "nine hundred sixty-six million, five hundred fifty-five thousand, four hundred forty-one".