1672295512576 has 80 divisors (see below), whose sum is σ = 3603869665704. Its totient is φ = 770644721664.

The previous prime is 1672295512571. The next prime is 1672295512577. The reversal of 1672295512576 is 6752155922761.

It can be written as a sum of positive squares in 4 ways, for example, as 806978822400 + 865316690176 = 898320^2 + 930224^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1672295512576.

It is not an unprimeable number, because it can be changed into a prime (1672295512571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4153990 + ... + 4538746.

Almost surely, 2^{1672295512576} is an apocalyptic number.

1672295512576 is a gapful number since it is divisible by the number (16) 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 1672295512576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1801934832852).

1672295512576 is an abundant number, since it is smaller than the sum of its proper divisors (1931574153128).

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

1672295512576 is an equidigital number, since it uses as much as digits as its factorization.

1672295512576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385441 (or 385425 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 58.

The spelling of 1672295512576 in words is "one trillion, six hundred seventy-two billion, two hundred ninety-five million, five hundred twelve thousand, five hundred seventy-six".