3667912381872 has 200 divisors, whose sum is σ = 10947154622976. Its totient is φ = 1185004162944.

The previous prime is 3667912381801. The next prime is 3667912381921. The reversal of 3667912381872 is 2781832197663.

3667912381872 is a `hidden beast` number, since 36 + 67 + 91 + 2 + 381 + 87 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5981623 + ... + 6566249.

Almost surely, 2^{3667912381872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3667912381872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5473577311488).

3667912381872 is an abundant number, since it is smaller than the sum of its proper divisors (7279242241104).

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

3667912381872 is a wasteful number, since it uses less digits than its factorization.

3667912381872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584797 (or 584782 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The spelling of 3667912381872 in words is "three trillion, six hundred sixty-seven billion, nine hundred twelve million, three hundred eighty-one thousand, eight hundred seventy-two".