3516220388660 has 48 divisors (see below), whose sum is σ = 8581961646720. Its totient is φ = 1185128031360.

The previous prime is 3516220388657. The next prime is 3516220388669. The reversal of 3516220388660 is 668830226153.

It is a junction number, because it is equal to n+sod(n) for n = 3516220388599 and 3516220388608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3516220388669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212838011 + ... + 212854530.

It is an arithmetic number, because the mean of its divisors is an integer number (178790867640).

Almost surely, 2^{3516220388660} is an apocalyptic number.

It is an amenable number.

3516220388660 is an abundant number, since it is smaller than the sum of its proper divisors (5065741258060).

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

3516220388660 is a wasteful number, since it uses less digits than its factorization.

3516220388660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425692616 (or 425692614 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 3516220388660 in words is "three trillion, five hundred sixteen billion, two hundred twenty million, three hundred eighty-eight thousand, six hundred sixty".