164020782 has 32 divisors (see below), whose sum is σ = 333260928. Its totient is φ = 53809056.

The previous prime is 164020771. The next prime is 164020789. The reversal of 164020782 is 287020461.

164020782 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164020789) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 185313 + ... + 186195.

It is an arithmetic number, because the mean of its divisors is an integer number (10414404).

Almost surely, 2^164020782 is an apocalyptic number.

164020782 is an abundant number, since it is smaller than the sum of its proper divisors (169240146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164020782 is a wasteful number, since it uses less digits than its factorization.

164020782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 164020782 is about 12807.0598499421. The cubic root of 164020782 is about 547.3934873386.

It can be divided in two parts, 1640 and 20782, that added together give a palindrome (22422).

The spelling of 164020782 in words is "one hundred sixty-four million, twenty thousand, seven hundred eighty-two".