3722160644 has 6 divisors (see below), whose sum is σ = 6513781134. Its totient is φ = 1861080320.

The previous prime is 3722160601. The next prime is 3722160661. The reversal of 3722160644 is 4460612273.

It can be written as a sum of positive squares in only one way, i.e., 3704183044 + 17977600 = 60862^2 + 4240^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465270077 + ... + 465270084.

It is an arithmetic number, because the mean of its divisors is an integer number (1085630189).

Almost surely, 2^3722160644 is an apocalyptic number.

It is an amenable number.

3722160644 is a deficient number, since it is larger than the sum of its proper divisors (2791620490).

3722160644 is a wasteful number, since it uses less digits than its factorization.

3722160644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930540165 (or 930540163 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 3722160644 is about 61009.5127336713. The cubic root of 3722160644 is about 1549.7621062579.

The spelling of 3722160644 in words is "three billion, seven hundred twenty-two million, one hundred sixty thousand, six hundred forty-four".