3565222021660 has 48 divisors (see below), whose sum is σ = 8183228358816. Its totient is φ = 1296742056192.

The previous prime is 3565222021657. The next prime is 3565222021813. The reversal of 3565222021660 is 661202225653.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102313867 + ... + 102348706.

It is an arithmetic number, because the mean of its divisors is an integer number (170483924142).

Almost surely, 2^{3565222021660} is an apocalyptic number.

It is an amenable number.

3565222021660 is an abundant number, since it is smaller than the sum of its proper divisors (4618006337156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3565222021660 is a wasteful number, since it uses less digits than its factorization.

3565222021660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204662662 (or 204662660 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 3565222021660 in words is "three trillion, five hundred sixty-five billion, two hundred twenty-two million, twenty-one thousand, six hundred sixty".