1672104065551 has 2 divisors, whose sum is σ = 1672104065552. Its totient is φ = 1672104065550.

The previous prime is 1672104065519. The next prime is 1672104065579. The reversal of 1672104065551 is 1555604012761.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1555604012761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1672104065551 - 2⁵ = 1672104065519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1672104065498 and 1672104065507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1672104065501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836052032775 + 836052032776.

It is an arithmetic number, because the mean of its divisors is an integer number (836052032776).

Almost surely, 2^{1672104065551} is an apocalyptic number.

1672104065551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672104065551 is an equidigital number, since it uses as much as digits as its factorization.

1672104065551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 1672104065551 in words is "one trillion, six hundred seventy-two billion, one hundred four million, sixty-five thousand, five hundred fifty-one".