1671836668355 has 8 divisors (see below), whose sum is σ = 2292804573792. Its totient is φ = 1146402286848.

The previous prime is 1671836668297. The next prime is 1671836668357. The reversal of 1671836668355 is 5538666381761.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1671836668355 - 2¹⁴ = 1671836651971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1671836668291 and 1671836668300.

It is not an unprimeable number, because it can be changed into a prime (1671836668357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23883380942 + ... + 23883381011.

It is an arithmetic number, because the mean of its divisors is an integer number (286600571724).

Almost surely, 2^{1671836668355} is an apocalyptic number.

1671836668355 is a deficient number, since it is larger than the sum of its proper divisors (620967905437).

1671836668355 is an equidigital number, since it uses as much as digits as its factorization.

1671836668355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47766761965.

The product of its digits is 130636800, while the sum is 65.

The spelling of 1671836668355 in words is "one trillion, six hundred seventy-one billion, eight hundred thirty-six million, six hundred sixty-eight thousand, three hundred fifty-five".