3655366898687 has 12 divisors (see below), whose sum is σ = 4267293757776. Its totient is φ = 3122021538720.

The previous prime is 3655366898663. The next prime is 3655366898693. The reversal of 3655366898687 is 7868986635563.

It is not a de Polignac number, because 3655366898687 - 2²⁸ = 3655098463231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3655366898587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132725243 + ... + 132752780.

It is an arithmetic number, because the mean of its divisors is an integer number (355607813148).

Almost surely, 2^{3655366898687} is an apocalyptic number.

3655366898687 is a deficient number, since it is larger than the sum of its proper divisors (611926859089).

3655366898687 is a wasteful number, since it uses less digits than its factorization.

3655366898687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265478318 (or 265478311 counting only the distinct ones).

The product of its digits is 9405849600, while the sum is 80.

The spelling of 3655366898687 in words is "three trillion, six hundred fifty-five billion, three hundred sixty-six million, eight hundred ninety-eight thousand, six hundred eighty-seven".