6372173545920 has 1344 divisors, whose sum is σ = 27642716774400. Its totient is φ = 1338765926400.

The previous prime is 6372173545891. The next prime is 6372173545921. The reversal of 6372173545920 is 295453712736.

6372173545920 is a `hidden beast` number, since 6 + 3 + 7 + 2 + 1 + 7 + 3 + 545 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6372173545921) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3480159405 + ... + 3480161235.

It is an arithmetic number, because the mean of its divisors is an integer number (20567497600).

Almost surely, 2^{6372173545920} is an apocalyptic number.

6372173545920 is a gapful number since it is divisible by the number (60) 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 6372173545920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13821358387200).

6372173545920 is an abundant number, since it is smaller than the sum of its proper divisors (21270543228480).

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

6372173545920 is a wasteful number, since it uses less digits than its factorization.

6372173545920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159 (or 2132 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 54.

The spelling of 6372173545920 in words is "six trillion, three hundred seventy-two billion, one hundred seventy-three million, five hundred forty-five thousand, nine hundred twenty".