3781187603616 has 48 divisors (see below), whose sum is σ = 10045203233184. Its totient is φ = 1245210372864.

The previous prime is 3781187603603. The next prime is 3781187603657. The reversal of 3781187603616 is 6163067811873.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237265351 + ... + 237281286.

It is an arithmetic number, because the mean of its divisors is an integer number (209275067358).

Almost surely, 2^{3781187603616} is an apocalyptic number.

It is an amenable number.

3781187603616 is an abundant number, since it is smaller than the sum of its proper divisors (6264015629568).

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

3781187603616 is a wasteful number, since it uses less digits than its factorization.

3781187603616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474546733 (or 474546725 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 3781187603616 in words is "three trillion, seven hundred eighty-one billion, one hundred eighty-seven million, six hundred three thousand, six hundred sixteen".