3671366881920 has 512 divisors, whose sum is σ = 13075110720000. Its totient is φ = 871459454976.

The previous prime is 3671366881907. The next prime is 3671366881979. The reversal of 3671366881920 is 291886631763.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66786606 + ... + 66841554.

It is an arithmetic number, because the mean of its divisors is an integer number (25537325625).

Almost surely, 2^{3671366881920} is an apocalyptic number.

3671366881920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3671366881920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6537555360000).

3671366881920 is an abundant number, since it is smaller than the sum of its proper divisors (9403743838080).

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

3671366881920 is a wasteful number, since it uses less digits than its factorization.

3671366881920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55100 (or 55088 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 3671366881920 in words is "three trillion, six hundred seventy-one billion, three hundred sixty-six million, eight hundred eighty-one thousand, nine hundred twenty".