3661465034565 has 96 divisors (see below), whose sum is σ = 7260046160640. Its totient is φ = 1740409203456.

The previous prime is 3661465034543. The next prime is 3661465034581. The reversal of 3661465034565 is 5654305641663.

3661465034565 is a `hidden beast` number, since 3 + 6 + 6 + 1 + 46 + 5 + 0 + 34 + 565 = 666.

It is not a de Polignac number, because 3661465034565 - 2⁶ = 3661465034501 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 235584 + ... + 2716326.

It is an arithmetic number, because the mean of its divisors is an integer number (75625480840).

Almost surely, 2^{3661465034565} is an apocalyptic number.

It is an amenable number.

3661465034565 is a deficient number, since it is larger than the sum of its proper divisors (3598581126075).

3661465034565 is a wasteful number, since it uses less digits than its factorization.

3661465034565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480828 (or 2480793 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 54.

The spelling of 3661465034565 in words is "three trillion, six hundred sixty-one billion, four hundred sixty-five million, thirty-four thousand, five hundred sixty-five".