3661220302335 has 48 divisors (see below), whose sum is σ = 6490714778496. Its totient is φ = 1908281416704.

The previous prime is 3661220302321. The next prime is 3661220302339. The reversal of 3661220302335 is 5332030221663.

3661220302335 is a `hidden beast` number, since 3 + 6 + 6 + 12 + 2 + 0 + 302 + 335 = 666.

It is not a de Polignac number, because 3661220302335 - 2⁸ = 3661220302079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3661220302335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661220302339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153367 + ... + 2710343.

It is an arithmetic number, because the mean of its divisors is an integer number (135223224552).

Almost surely, 2^{3661220302335} is an apocalyptic number.

3661220302335 is a deficient number, since it is larger than the sum of its proper divisors (2829494476161).

3661220302335 is a wasteful number, since it uses less digits than its factorization.

3661220302335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557712 (or 2557709 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

Adding to 3661220302335 its reverse (5332030221663), we get a palindrome (8993250523998).

The spelling of 3661220302335 in words is "three trillion, six hundred sixty-one billion, two hundred twenty million, three hundred two thousand, three hundred thirty-five".