164342379 has 4 divisors (see below), whose sum is σ = 219123176. Its totient is φ = 109561584.

The previous prime is 164342369. The next prime is 164342393. The reversal of 164342379 is 973243461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973243461 = 3 ⋅324414487.

It is not a de Polignac number, because 164342379 - 2⁴ = 164342363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164342329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27390394 + ... + 27390399.

It is an arithmetic number, because the mean of its divisors is an integer number (54780794).

Almost surely, 2^164342379 is an apocalyptic number.

164342379 is a deficient number, since it is larger than the sum of its proper divisors (54780797).

164342379 is an equidigital number, since it uses as much as digits as its factorization.

164342379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54780796.

The product of its digits is 108864, while the sum is 39.

The square root of 164342379 is about 12819.6091594089. The cubic root of 164342379 is about 547.7510135250.

The spelling of 164342379 in words is "one hundred sixty-four million, three hundred forty-two thousand, three hundred seventy-nine".