164320378 has 8 divisors (see below), whose sum is σ = 246768768. Its totient is φ = 82064124.

The previous prime is 164320357. The next prime is 164320391. The reversal of 164320378 is 873023461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45876 + ... + 49327.

It is an arithmetic number, because the mean of its divisors is an integer number (30846096).

Almost surely, 2^164320378 is an apocalyptic number.

164320378 is a deficient number, since it is larger than the sum of its proper divisors (82448390).

164320378 is an equidigital number, since it uses as much as digits as its factorization.

164320378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96068.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 164320378 is about 12818.7510312042. The cubic root of 164320378 is about 547.7265694185.

The spelling of 164320378 in words is "one hundred sixty-four million, three hundred twenty thousand, three hundred seventy-eight".