3405241166665 has 32 divisors (see below), whose sum is σ = 4520084395680. Its totient is φ = 2446389817344.

The previous prime is 3405241166659. The next prime is 3405241166669. The reversal of 3405241166665 is 5666611425043.

It can be written as a sum of positive squares in 16 ways, for example, as 358446479616 + 3046794687049 = 598704^2 + 1745507^2 .

It is not a de Polignac number, because 3405241166665 - 2⁹ = 3405241166153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3405241166669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21636337 + ... + 21793153.

It is an arithmetic number, because the mean of its divisors is an integer number (141252637365).

Almost surely, 2^{3405241166665} is an apocalyptic number.

It is an amenable number.

3405241166665 is a deficient number, since it is larger than the sum of its proper divisors (1114843229015).

3405241166665 is a wasteful number, since it uses less digits than its factorization.

3405241166665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165901.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 3405241166665 in words is "three trillion, four hundred five billion, two hundred forty-one million, one hundred sixty-six thousand, six hundred sixty-five".