1675165639679 has 12 divisors (see below), whose sum is σ = 1976108019408. Its totient is φ = 1415632932000.

The previous prime is 1675165639669. The next prime is 1675165639691. The reversal of 1675165639679 is 9769365615761.

It is a de Polignac number, because none of the positive numbers 2^k-1675165639679 is a prime.

It is a super-2 number, since 2×1675165639679² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1675165639619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240750422 + ... + 240757379.

It is an arithmetic number, because the mean of its divisors is an integer number (164675668284).

Almost surely, 2^{1675165639679} is an apocalyptic number.

1675165639679 is a deficient number, since it is larger than the sum of its proper divisors (300942379729).

1675165639679 is an equidigital number, since it uses as much as digits as its factorization.

1675165639679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481507886 (or 481507879 counting only the distinct ones).

The product of its digits is 385786800, while the sum is 71.

The spelling of 1675165639679 in words is "one trillion, six hundred seventy-five billion, one hundred sixty-five million, six hundred thirty-nine thousand, six hundred seventy-nine".