164397274 has 8 divisors (see below), whose sum is σ = 247765248. Its totient is φ = 81808860.

The previous prime is 164397269. The next prime is 164397281. The reversal of 164397274 is 472793461.

164397274 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 164397274.

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, 194362 + ... + 195205.

It is an arithmetic number, because the mean of its divisors is an integer number (30970656).

Almost surely, 2^164397274 is an apocalyptic number.

164397274 is a deficient number, since it is larger than the sum of its proper divisors (83367974).

164397274 is a wasteful number, since it uses less digits than its factorization.

164397274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389780.

The product of its digits is 254016, while the sum is 43.

The square root of 164397274 is about 12821.7500365590. The cubic root of 164397274 is about 547.8119948429.

The spelling of 164397274 in words is "one hundred sixty-four million, three hundred ninety-seven thousand, two hundred seventy-four".