164263790 has 16 divisors (see below), whose sum is σ = 295827120. Its totient is φ = 65671680.

The previous prime is 164263747. The next prime is 164263811. The reversal of 164263790 is 97362461.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27470 + ... + 32910.

It is an arithmetic number, because the mean of its divisors is an integer number (18489195).

Almost surely, 2^164263790 is an apocalyptic number.

164263790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164263790 is a deficient number, since it is larger than the sum of its proper divisors (131563330).

164263790 is a wasteful number, since it uses less digits than its factorization.

164263790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 164263790 is about 12816.5436058245. The cubic root of 164263790 is about 547.6636875651.

The spelling of 164263790 in words is "one hundred sixty-four million, two hundred sixty-three thousand, seven hundred ninety".