9164167973 has 2 divisors, whose sum is σ = 9164167974. Its totient is φ = 9164167972.

The previous prime is 9164167963. The next prime is 9164168051. The reversal of 9164167973 is 3797614619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7875142564 + 1289025409 = 88742^2 + 35903^2 .

It is a cyclic number.

It is not a de Polignac number, because 9164167973 - 2¹⁴ = 9164151589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9164167963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4582083986 + 4582083987.

It is an arithmetic number, because the mean of its divisors is an integer number (4582083987).

Almost surely, 2^9164167973 is an apocalyptic number.

It is an amenable number.

9164167973 is a deficient number, since it is larger than the sum of its proper divisors (1).

9164167973 is an equidigital number, since it uses as much as digits as its factorization.

9164167973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 53.

The square root of 9164167973 is about 95729.6608841795. The cubic root of 9164167973 is about 2092.6552162035.

The spelling of 9164167973 in words is "nine billion, one hundred sixty-four million, one hundred sixty-seven thousand, nine hundred seventy-three".