1674189795840 has 160 divisors (see below), whose sum is σ = 5360673073536. Its totient is φ = 445741793280.

The previous prime is 1674189795833. The next prime is 1674189795853. The reversal of 1674189795840 is 485979814761.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×1674189795840² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4673344 + ... + 5018816.

Almost surely, 2^{1674189795840} is an apocalyptic number.

1674189795840 is a gapful number since it is divisible by the number (10) 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 1674189795840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2680336536768).

1674189795840 is an abundant number, since it is smaller than the sum of its proper divisors (3686483277696).

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

1674189795840 is an equidigital number, since it uses as much as digits as its factorization.

1674189795840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346130 (or 346114 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 69.

The spelling of 1674189795840 in words is "one trillion, six hundred seventy-four billion, one hundred eighty-nine million, seven hundred ninety-five thousand, eight hundred forty".