164623941 has 8 divisors (see below), whose sum is σ = 243887360. Its totient is φ = 109749276.

The previous prime is 164623931. The next prime is 164623951. The reversal of 164623941 is 149326461.

164623941 is a `hidden beast` number, since 1 + 646 + 2 + 3 + 9 + 4 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (164623931) and next prime (164623951).

It is not a de Polignac number, because 164623941 - 2¹⁵ = 164591173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164623896 and 164623905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164623931) by changing a digit.

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, 3048565 + ... + 3048618.

It is an arithmetic number, because the mean of its divisors is an integer number (30485920).

Almost surely, 2^164623941 is an apocalyptic number.

It is an amenable number.

164623941 is a deficient number, since it is larger than the sum of its proper divisors (79263419).

164623941 is an equidigital number, since it uses as much as digits as its factorization.

164623941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6097192 (or 6097186 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 164623941 is about 12830.5861518482. The cubic root of 164623941 is about 548.0636492127.

The spelling of 164623941 in words is "one hundred sixty-four million, six hundred twenty-three thousand, nine hundred forty-one".