3644016016 has 20 divisors (see below), whose sum is σ = 7096868812. Its totient is φ = 1812566016.

The previous prime is 3644015957. The next prime is 3644016049. The reversal of 3644016016 is 6106104463.

It can be written as a sum of positive squares in 2 ways, for example, as 2019603600 + 1624412416 = 44940^2 + 40304^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586941 + ... + 593116.

Almost surely, 2^3644016016 is an apocalyptic number.

It is an amenable number.

3644016016 is a deficient number, since it is larger than the sum of its proper divisors (3452852796).

3644016016 is a wasteful number, since it uses less digits than its factorization.

3644016016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180258 (or 1180252 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 3644016016 is about 60365.6857494388. The cubic root of 3644016016 is about 1538.8398548566.

The spelling of 3644016016 in words is "three billion, six hundred forty-four million, sixteen thousand, sixteen".