381169180672 has 112 divisors (see below), whose sum is σ = 873043516800. Its totient is φ = 163010838528.

The previous prime is 381169180657. The next prime is 381169180699. The reversal of 381169180672 is 276081961183.

It is a tau number, because it is divible by the number of its divisors (112).

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, 27919704 + ... + 27933352.

It is an arithmetic number, because the mean of its divisors is an integer number (7795031400).

Almost surely, 2^381169180672 is an apocalyptic number.

381169180672 is a gapful number since it is divisible by the number (32) 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 381169180672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436521758400).

381169180672 is an abundant number, since it is smaller than the sum of its proper divisors (491874336128).

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

381169180672 is an equidigital number, since it uses as much as digits as its factorization.

381169180672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14169 (or 14145 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 381169180672 in words is "three hundred eighty-one billion, one hundred sixty-nine million, one hundred eighty thousand, six hundred seventy-two".