3728566156 has 96 divisors (see below), whose sum is σ = 8221086720. Its totient is φ = 1442707200.

The previous prime is 3728566151. The next prime is 3728566159. The reversal of 3728566156 is 6516658273.

It is not an unprimeable number, because it can be changed into a prime (3728566151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5640466 + ... + 5641126.

It is an arithmetic number, because the mean of its divisors is an integer number (85636320).

Almost surely, 2^3728566156 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 3728566156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4110543360).

3728566156 is an abundant number, since it is smaller than the sum of its proper divisors (4492520564).

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

3728566156 is a wasteful number, since it uses less digits than its factorization.

3728566156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1173 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The square root of 3728566156 is about 61061.9861779815. The cubic root of 3728566156 is about 1550.6505983324.

The spelling of 3728566156 in words is "three billion, seven hundred twenty-eight million, five hundred sixty-six thousand, one hundred fifty-six".