3601816865 has 16 divisors (see below), whose sum is σ = 4386410496. Its totient is φ = 2838696000.

The previous prime is 3601816807. The next prime is 3601816891. The reversal of 3601816865 is 5686181063.

It is not a de Polignac number, because 3601816865 - 2⁸ = 3601816609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587315 + ... + 593415.

It is an arithmetic number, because the mean of its divisors is an integer number (274150656).

Almost surely, 2^3601816865 is an apocalyptic number.

It is an amenable number.

3601816865 is a deficient number, since it is larger than the sum of its proper divisors (784593631).

3601816865 is a wasteful number, since it uses less digits than its factorization.

3601816865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7840.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 3601816865 is about 60015.1386318485. The cubic root of 3601816865 is about 1532.8766512004.

The spelling of 3601816865 in words is "three billion, six hundred one million, eight hundred sixteen thousand, eight hundred sixty-five".