165832379 has 2 divisors, whose sum is σ = 165832380. Its totient is φ = 165832378.

The previous prime is 165832367. The next prime is 165832397. The reversal of 165832379 is 973238561.

Together with next prime (165832397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165832379 - 2⁴ = 165832363 is a prime.

It is not a weakly prime, because it can be changed into another prime (165832319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82916189 + 82916190.

It is an arithmetic number, because the mean of its divisors is an integer number (82916190).

Almost surely, 2^165832379 is an apocalyptic number.

165832379 is a deficient number, since it is larger than the sum of its proper divisors (1).

165832379 is an equidigital number, since it uses as much as digits as its factorization.

165832379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 165832379 is about 12877.5921274126. The cubic root of 165832379 is about 549.4014193073.

The spelling of 165832379 in words is "one hundred sixty-five million, eight hundred thirty-two thousand, three hundred seventy-nine".