3601665404 has 12 divisors (see below), whose sum is σ = 6576954384. Its totient is φ = 1722535584.

The previous prime is 3601665391. The next prime is 3601665421. The reversal of 3601665404 is 4045661063.

It is a congruent number.

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, 19574177 + ... + 19574360.

It is an arithmetic number, because the mean of its divisors is an integer number (548079532).

Almost surely, 2^3601665404 is an apocalyptic number.

It is an amenable number.

3601665404 is a deficient number, since it is larger than the sum of its proper divisors (2975288980).

3601665404 is a wasteful number, since it uses less digits than its factorization.

3601665404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39148564 (or 39148562 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 3601665404 is about 60013.8767619623. The cubic root of 3601665404 is about 1532.8551644254.

The spelling of 3601665404 in words is "three billion, six hundred one million, six hundred sixty-five thousand, four hundred four".