3901669316560 has 20 divisors (see below), whose sum is σ = 9071381161188. Its totient is φ = 1560667726592.

The previous prime is 3901669316557. The next prime is 3901669316621. The reversal of 3901669316560 is 656139661093.

It can be written as a sum of positive squares in 2 ways, for example, as 1380700201024 + 2520969115536 = 1175032^2 + 1587756^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 24385433149 + ... + 24385433308.

Almost surely, 2^{3901669316560} is an apocalyptic number.

It is an amenable number.

3901669316560 is an abundant number, since it is smaller than the sum of its proper divisors (5169711844628).

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

3901669316560 is a wasteful number, since it uses less digits than its factorization.

3901669316560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48770866470 (or 48770866464 counting only the distinct ones).

The product of its (nonzero) digits is 4723920, while the sum is 55.

The spelling of 3901669316560 in words is "three trillion, nine hundred one billion, six hundred sixty-nine million, three hundred sixteen thousand, five hundred sixty".