1670168351667 has 4 divisors (see below), whose sum is σ = 2226891135560. Its totient is φ = 1113445567776.

The previous prime is 1670168351659. The next prime is 1670168351707. The reversal of 1670168351667 is 7661538610761.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1670168351667 - 2³ = 1670168351659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670168351627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278361391942 + ... + 278361391947.

It is an arithmetic number, because the mean of its divisors is an integer number (556722783890).

Almost surely, 2^{1670168351667} is an apocalyptic number.

1670168351667 is a deficient number, since it is larger than the sum of its proper divisors (556722783893).

1670168351667 is an equidigital number, since it uses as much as digits as its factorization.

1670168351667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556722783892.

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 1670168351667 in words is "one trillion, six hundred seventy billion, one hundred sixty-eight million, three hundred fifty-one thousand, six hundred sixty-seven".