3621697485660 has 144 divisors (see below), whose sum is σ = 11618824613760. Its totient is φ = 910618692480.

The previous prime is 3621697485629. The next prime is 3621697485661. The reversal of 3621697485660 is 665847961263.

3621697485660 is a `hidden beast` number, since 3 + 6 + 2 + 1 + 6 + 97 + 485 + 6 + 60 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621697485661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1787802 + ... + 3231041.

It is an arithmetic number, because the mean of its divisors is an integer number (80686282040).

It is a 1-persistent number, because it is pandigital, but 2⋅3621697485660 = 7243394971320 is not.

Almost surely, 2^{3621697485660} is an apocalyptic number.

3621697485660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3621697485660 is an abundant number, since it is smaller than the sum of its proper divisors (7997127128100).

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

3621697485660 is a wasteful number, since it uses less digits than its factorization.

3621697485660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019088 (or 5019083 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 3621697485660 in words is "three trillion, six hundred twenty-one billion, six hundred ninety-seven million, four hundred eighty-five thousand, six hundred sixty".