164272270 has 8 divisors (see below), whose sum is σ = 295690104. Its totient is φ = 65708904.

The previous prime is 164272259. The next prime is 164272289. The reversal of 164272270 is 72272461.

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

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 in 3 ways as a sum of consecutive naturals, for example, 8213604 + ... + 8213623.

It is an arithmetic number, because the mean of its divisors is an integer number (36961263).

Almost surely, 2^164272270 is an apocalyptic number.

164272270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164272270 is a deficient number, since it is larger than the sum of its proper divisors (131417834).

164272270 is a wasteful number, since it uses less digits than its factorization.

164272270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16427234.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 164272270 is about 12816.8744239772. The cubic root of 164272270 is about 547.6731116509.

The spelling of 164272270 in words is "one hundred sixty-four million, two hundred seventy-two thousand, two hundred seventy".