164762897 has 4 divisors (see below), whose sum is σ = 177436980. Its totient is φ = 152088816.

The previous prime is 164762837. The next prime is 164762947. The reversal of 164762897 is 798267461.

It is a Cunningham number, because it is equal to 12836²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 798267461 = 17471 ⋅45691.

It can be written as a sum of positive squares in 2 ways, for example, as 24364096 + 140398801 = 4936^2 + 11849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164762897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164762837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6337022 + ... + 6337047.

It is an arithmetic number, because the mean of its divisors is an integer number (44359245).

Almost surely, 2^164762897 is an apocalyptic number.

It is an amenable number.

164762897 is a deficient number, since it is larger than the sum of its proper divisors (12674083).

164762897 is a wasteful number, since it uses less digits than its factorization.

164762897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12674082.

The product of its digits is 1016064, while the sum is 50.

The square root of 164762897 is about 12836.0000389529. Note that the first 4 decimals coincide. The cubic root of 164762897 is about 548.2178092831.

The spelling of 164762897 in words is "one hundred sixty-four million, seven hundred sixty-two thousand, eight hundred ninety-seven".