164375797 has 2 divisors, whose sum is σ = 164375798. Its totient is φ = 164375796.

The previous prime is 164375767. The next prime is 164375807. The reversal of 164375797 is 797573461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143664196 + 20711601 = 11986^2 + 4551^2 .

It is a cyclic number.

It is not a de Polignac number, because 164375797 - 2²⁷ = 30158069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164375797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164375747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82187898 + 82187899.

It is an arithmetic number, because the mean of its divisors is an integer number (82187899).

Almost surely, 2^164375797 is an apocalyptic number.

It is an amenable number.

164375797 is a deficient number, since it is larger than the sum of its proper divisors (1).

164375797 is an equidigital number, since it uses as much as digits as its factorization.

164375797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 49.

The square root of 164375797 is about 12820.9124870268. The cubic root of 164375797 is about 547.7881382620.

The spelling of 164375797 in words is "one hundred sixty-four million, three hundred seventy-five thousand, seven hundred ninety-seven".