164277089 has 2 divisors, whose sum is σ = 164277090. Its totient is φ = 164277088.

The previous prime is 164277073. The next prime is 164277101. The reversal of 164277089 is 980772461.

164277089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164275489 + 1600 = 12817^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 164277089 - 2⁴ = 164277073 is a prime.

It is not a weakly prime, because it can be changed into another prime (164277019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82138544 + 82138545.

It is an arithmetic number, because the mean of its divisors is an integer number (82138545).

Almost surely, 2^164277089 is an apocalyptic number.

It is an amenable number.

164277089 is a deficient number, since it is larger than the sum of its proper divisors (1).

164277089 is an equidigital number, since it uses as much as digits as its factorization.

164277089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 164277089 is about 12817.0624169503. The cubic root of 164277089 is about 547.6784670099.

The spelling of 164277089 in words is "one hundred sixty-four million, two hundred seventy-seven thousand, eighty-nine".