164067137 has 4 divisors (see below), whose sum is σ = 176687700. Its totient is φ = 151446576.

The previous prime is 164067133. The next prime is 164067173. The reversal of 164067137 is 731760461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 731760461 = 17 ⋅43044733.

It can be written as a sum of positive squares in 2 ways, for example, as 44142736 + 119924401 = 6644^2 + 10951^2 .

It is a cyclic number.

It is not a de Polignac number, because 164067137 - 2² = 164067133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164067097 and 164067106.

It is not an unprimeable number, because it can be changed into a prime (164067133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6310262 + ... + 6310287.

It is an arithmetic number, because the mean of its divisors is an integer number (44171925).

Almost surely, 2^164067137 is an apocalyptic number.

It is an amenable number.

164067137 is a deficient number, since it is larger than the sum of its proper divisors (12620563).

164067137 is a wasteful number, since it uses less digits than its factorization.

164067137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12620562.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 164067137 is about 12808.8694661160. The cubic root of 164067137 is about 547.4450499816.

The spelling of 164067137 in words is "one hundred sixty-four million, sixty-seven thousand, one hundred thirty-seven".