164565000937 has 4 divisors (see below), whose sum is σ = 164565868176. Its totient is φ = 164564133700.

The previous prime is 164565000923. The next prime is 164565000991. The reversal of 164565000937 is 739000565461.

It is the 165613-rd star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 739000565461 = 1789 ⋅413080249.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164565000937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164565009937) 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, 12943 + ... + 573844.

It is an arithmetic number, because the mean of its divisors is an integer number (41141467044).

Almost surely, 2^164565000937 is an apocalyptic number.

It is an amenable number.

164565000937 is a deficient number, since it is larger than the sum of its proper divisors (867239).

164565000937 is an equidigital number, since it uses as much as digits as its factorization.

164565000937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867238.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 164565000937 in words is "one hundred sixty-four billion, five hundred sixty-five million, nine hundred thirty-seven", and thus it is an aban number.