164537137 has 4 divisors (see below), whose sum is σ = 165738276. Its totient is φ = 163336000.

The previous prime is 164537089. The next prime is 164537189. The reversal of 164537137 is 731735461.

164537137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33686416 + 130850721 = 5804^2 + 11439^2 .

It is a cyclic number.

It is not a de Polignac number, because 164537137 - 2¹¹ = 164535089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164537096 and 164537105.

It is not an unprimeable number, because it can be changed into a prime (164537437) 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, 600364 + ... + 600637.

It is an arithmetic number, because the mean of its divisors is an integer number (41434569).

Almost surely, 2^164537137 is an apocalyptic number.

It is an amenable number.

164537137 is a deficient number, since it is larger than the sum of its proper divisors (1201139).

164537137 is a wasteful number, since it uses less digits than its factorization.

164537137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201138.

The product of its digits is 52920, while the sum is 37.

The square root of 164537137 is about 12827.2030076708. The cubic root of 164537137 is about 547.9673034020.

The spelling of 164537137 in words is "one hundred sixty-four million, five hundred thirty-seven thousand, one hundred thirty-seven".