164320937 has 4 divisors (see below), whose sum is σ = 179259216. Its totient is φ = 149382660.

The previous prime is 164320927. The next prime is 164320939. The reversal of 164320937 is 739023461.

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.

It is a cyclic number.

It is not a de Polignac number, because 164320937 - 2²² = 160126633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164320897 and 164320906.

It is not an unprimeable number, because it can be changed into a prime (164320939) 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, 7469123 + ... + 7469144.

It is an arithmetic number, because the mean of its divisors is an integer number (44814804).

Almost surely, 2^164320937 is an apocalyptic number.

It is an amenable number.

164320937 is a deficient number, since it is larger than the sum of its proper divisors (14938279).

164320937 is a wasteful number, since it uses less digits than its factorization.

164320937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14938278.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 164320937 is about 12818.7728351820. The cubic root of 164320937 is about 547.7271905198.

The spelling of 164320937 in words is "one hundred sixty-four million, three hundred twenty thousand, nine hundred thirty-seven".