164381342 has 4 divisors (see below), whose sum is σ = 246572016. Its totient is φ = 82190670.

The previous prime is 164381339. The next prime is 164381359. The reversal of 164381342 is 243183461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243183461 = 14387 ⋅16903.

It is a junction number, because it is equal to n+sod(n) for n = 164381299 and 164381308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41095334 + ... + 41095337.

It is an arithmetic number, because the mean of its divisors is an integer number (61643004).

Almost surely, 2^164381342 is an apocalyptic number.

164381342 is a deficient number, since it is larger than the sum of its proper divisors (82190674).

164381342 is an equidigital number, since it uses as much as digits as its factorization.

164381342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82190673.

The product of its digits is 13824, while the sum is 32.

The square root of 164381342 is about 12821.1287334618. The cubic root of 164381342 is about 547.7942978288.

The spelling of 164381342 in words is "one hundred sixty-four million, three hundred eighty-one thousand, three hundred forty-two".