1673351320782 has 16 divisors (see below), whose sum is σ = 3347235886032. Its totient is φ = 557694899520.

The previous prime is 1673351320723. The next prime is 1673351320783. The reversal of 1673351320782 is 2870231533761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673351320783) 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, 22177719 + ... + 22253042.

It is an arithmetic number, because the mean of its divisors is an integer number (209202242877).

Almost surely, 2^{1673351320782} is an apocalyptic number.

1673351320782 is an abundant number, since it is smaller than the sum of its proper divisors (1673884565250).

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

1673351320782 is a wasteful number, since it uses less digits than its factorization.

1673351320782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44437043.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 1673351320782 in words is "one trillion, six hundred seventy-three billion, three hundred fifty-one million, three hundred twenty thousand, seven hundred eighty-two".