3665511441 has 16 divisors (see below), whose sum is σ = 5499129600. Its totient is φ = 2412740304.

The previous prime is 3665511427. The next prime is 3665511481. The reversal of 3665511441 is 1441155663.

3665511441 is a `hidden beast` number, since 3 + 66 + 551 + 1 + 4 + 41 = 666.

It is not a de Polignac number, because 3665511441 - 2⁹ = 3665510929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3665511396 and 3665511405.

It is not an unprimeable number, because it can be changed into a prime (3665511401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857106 + ... + 861371.

It is an arithmetic number, because the mean of its divisors is an integer number (343695600).

Almost surely, 2^3665511441 is an apocalyptic number.

It is an amenable number.

3665511441 is a deficient number, since it is larger than the sum of its proper divisors (1833618159).

3665511441 is a wasteful number, since it uses less digits than its factorization.

3665511441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718565 (or 1718559 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 3665511441 is about 60543.4673684948. The cubic root of 3665511441 is about 1541.8597088070.

The spelling of 3665511441 in words is "three billion, six hundred sixty-five million, five hundred eleven thousand, four hundred forty-one".