3621540164 has 72 divisors (see below), whose sum is σ = 7335982080. Its totient is φ = 1560106240.

The previous prime is 3621540161. The next prime is 3621540227. The reversal of 3621540164 is 4610451263.

3621540164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3621540164.

It is not an unprimeable number, because it can be changed into a prime (3621540161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1256477 + ... + 1259355.

It is an arithmetic number, because the mean of its divisors is an integer number (101888640).

Almost surely, 2^3621540164 is an apocalyptic number.

It is an amenable number.

3621540164 is an abundant number, since it is smaller than the sum of its proper divisors (3714441916).

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

3621540164 is a wasteful number, since it uses less digits than its factorization.

3621540164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041 (or 3028 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 3621540164 is about 60179.2336607903. The cubic root of 3621540164 is about 1535.6695348682.

The spelling of 3621540164 in words is "three billion, six hundred twenty-one million, five hundred forty thousand, one hundred sixty-four".