1679221667795 has 24 divisors (see below), whose sum is σ = 2344124629728. Its totient is φ = 1151432755200.

The previous prime is 1679221667791. The next prime is 1679221667831. The reversal of 1679221667795 is 5977661229761.

It is not a de Polignac number, because 1679221667795 - 2² = 1679221667791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1679221667791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10719635 + ... + 10875155.

It is an arithmetic number, because the mean of its divisors is an integer number (97671859572).

Almost surely, 2^{1679221667795} is an apocalyptic number.

1679221667795 is a deficient number, since it is larger than the sum of its proper divisors (664902961933).

1679221667795 is a wasteful number, since it uses less digits than its factorization.

1679221667795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199611 (or 199604 counting only the distinct ones).

The product of its digits is 120022560, while the sum is 68.

The spelling of 1679221667795 in words is "one trillion, six hundred seventy-nine billion, two hundred twenty-one million, six hundred sixty-seven thousand, seven hundred ninety-five".