1982374907167 has 2 divisors, whose sum is σ = 1982374907168. Its totient is φ = 1982374907166.

The previous prime is 1982374907153. The next prime is 1982374907171. The reversal of 1982374907167 is 7617094732891.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1982374907167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1982374907099 and 1982374907108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1982374907197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991187453583 + 991187453584.

It is an arithmetic number, because the mean of its divisors is an integer number (991187453584).

Almost surely, 2^{1982374907167} is an apocalyptic number.

1982374907167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982374907167 is an equidigital number, since it uses as much as digits as its factorization.

1982374907167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32006016, while the sum is 64.

The spelling of 1982374907167 in words is "one trillion, nine hundred eighty-two billion, three hundred seventy-four million, nine hundred seven thousand, one hundred sixty-seven".