1672380330912 has 168 divisors, whose sum is σ = 4937733184356. Its totient is φ = 557319730176.

The previous prime is 1672380330839. The next prime is 1672380330913. The reversal of 1672380330912 is 2190330832761.

It can be written as a sum of positive squares in 2 ways, for example, as 1670390814096 + 1989516816 = 1292436^2 + 44604^2 .

It is not an unprimeable number, because it can be changed into a prime (1672380330913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 137559138 + ... + 137571294.

Almost surely, 2^{1672380330912} is an apocalyptic number.

1672380330912 is a gapful number since it is divisible by the number (12) 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 1672380330912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2468866592178).

1672380330912 is an abundant number, since it is smaller than the sum of its proper divisors (3265352853444).

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

1672380330912 is an equidigital number, since it uses as much as digits as its factorization.

1672380330912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18082 (or 18059 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 1672380330912 in words is "one trillion, six hundred seventy-two billion, three hundred eighty million, three hundred thirty thousand, nine hundred twelve".