1672188835005 has 56 divisors (see below), whose sum is σ = 3239991678168. Its totient is φ = 823231403136.

The previous prime is 1672188835003. The next prime is 1672188835007. The reversal of 1672188835005 is 5005388812761.

It is an interprime number because it is at equal distance from previous prime (1672188835003) and next prime (1672188835007).

It can be written as a sum of positive squares in 4 ways, for example, as 111260939364 + 1560927895641 = 333558^2 + 1249371^2 .

It is not a de Polignac number, because 1672188835005 - 2¹ = 1672188835003 is a prime.

It is a super-2 number, since 2×1672188835005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672188835003) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 17597322 + ... + 17692091.

It is an arithmetic number, because the mean of its divisors is an integer number (57856994253).

Almost surely, 2^{1672188835005} is an apocalyptic number.

1672188835005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1672188835005 is a deficient number, since it is larger than the sum of its proper divisors (1567802843163).

1672188835005 is an equidigital number, since it uses as much as digits as its factorization.

1672188835005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35289449 (or 35289434 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The spelling of 1672188835005 in words is "one trillion, six hundred seventy-two billion, one hundred eighty-eight million, eight hundred thirty-five thousand, five".