164465687 has 2 divisors, whose sum is σ = 164465688. Its totient is φ = 164465686.

The previous prime is 164465683. The next prime is 164465689. The reversal of 164465687 is 786564461.

164465687 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 is a cyclic number.

It is not a de Polignac number, because 164465687 - 2² = 164465683 is a prime.

Together with 164465689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164465683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82232843 + 82232844.

It is an arithmetic number, because the mean of its divisors is an integer number (82232844).

Almost surely, 2^164465687 is an apocalyptic number.

164465687 is a deficient number, since it is larger than the sum of its proper divisors (1).

164465687 is an equidigital number, since it uses as much as digits as its factorization.

164465687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The square root of 164465687 is about 12824.4176086090. The cubic root of 164465687 is about 547.8879739303.

The spelling of 164465687 in words is "one hundred sixty-four million, four hundred sixty-five thousand, six hundred eighty-seven".