164725274 has 32 divisors (see below), whose sum is σ = 300412800. Its totient is φ = 66129408.

The previous prime is 164725261. The next prime is 164725277. The reversal of 164725274 is 472527461.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164725277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52502 + ... + 55550.

It is an arithmetic number, because the mean of its divisors is an integer number (9387900).

Almost surely, 2^164725274 is an apocalyptic number.

164725274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

164725274 is a deficient number, since it is larger than the sum of its proper divisors (135687526).

164725274 is a wasteful number, since it uses less digits than its factorization.

164725274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302.

The product of its digits is 94080, while the sum is 38.

The square root of 164725274 is about 12834.5344286421. The cubic root of 164725274 is about 548.1760782681.

The spelling of 164725274 in words is "one hundred sixty-four million, seven hundred twenty-five thousand, two hundred seventy-four".