3655516372480 has 160 divisors (see below), whose sum is σ = 10019643701760. Its totient is φ = 1252960051200.

The previous prime is 3655516372477. The next prime is 3655516372513. The reversal of 3655516372480 is 842736155563.

It is a tau number, because it is divible by the number of its divisors (160).

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, 66617055 + ... + 66671905.

It is an arithmetic number, because the mean of its divisors is an integer number (62622773136).

Almost surely, 2^{3655516372480} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3655516372480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5009821850880).

3655516372480 is an abundant number, since it is smaller than the sum of its proper divisors (6364127329280).

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

3655516372480 is an equidigital number, since it uses as much as digits as its factorization.

3655516372480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58600 (or 58584 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 55.

The spelling of 3655516372480 in words is "three trillion, six hundred fifty-five billion, five hundred sixteen million, three hundred seventy-two thousand, four hundred eighty".