164262673 has 4 divisors (see below), whose sum is σ = 165769780. Its totient is φ = 162755568.

The previous prime is 164262671. The next prime is 164262701. The reversal of 164262673 is 376262461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 376262461 = 2377 ⋅158293.

It can be written as a sum of positive squares in 2 ways, for example, as 95902849 + 68359824 = 9793^2 + 8268^2 .

It is a cyclic number.

It is not a de Polignac number, because 164262673 - 2¹ = 164262671 is a prime.

It is a super-2 number, since 2×164262673² = 53964451482209858, which contains 22 as substring.

It is the 12817-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164262671) by changing a digit.

It is a nontrivial repunit in base 12816.

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, 753390 + ... + 753607.

It is an arithmetic number, because the mean of its divisors is an integer number (41442445).

Almost surely, 2^164262673 is an apocalyptic number.

It is an amenable number.

164262673 is a deficient number, since it is larger than the sum of its proper divisors (1507107).

164262673 is a wasteful number, since it uses less digits than its factorization.

164262673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507106.

The product of its digits is 72576, while the sum is 37.

The square root of 164262673 is about 12816.5000292592. The cubic root of 164262673 is about 547.6624461844.

The spelling of 164262673 in words is "one hundred sixty-four million, two hundred sixty-two thousand, six hundred seventy-three".