165143653602379 has 2 divisors, whose sum is σ = 165143653602380. Its totient is φ = 165143653602378.

The previous prime is 165143653602289. The next prime is 165143653602407. The reversal of 165143653602379 is 973206356341561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165143653602379 - 2⁷ = 165143653602251 is a prime.

It is not a weakly prime, because it can be changed into another prime (165143654602379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82571826801189 + 82571826801190.

It is an arithmetic number, because the mean of its divisors is an integer number (82571826801190).

Almost surely, 2^{165143653602379} is an apocalyptic number.

165143653602379 is a deficient number, since it is larger than the sum of its proper divisors (1).

165143653602379 is an equidigital number, since it uses as much as digits as its factorization.

165143653602379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73483200, while the sum is 61.

The spelling of 165143653602379 in words is "one hundred sixty-five trillion, one hundred forty-three billion, six hundred fifty-three million, six hundred two thousand, three hundred seventy-nine".