164210899 has 2 divisors, whose sum is σ = 164210900. Its totient is φ = 164210898.

The previous prime is 164210881. The next prime is 164210909. The reversal of 164210899 is 998012461.

164210899 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 a de Polignac number, because none of the positive numbers 2^k-164210899 is a prime.

It is not a weakly prime, because it can be changed into another prime (164210819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82105449 + 82105450.

It is an arithmetic number, because the mean of its divisors is an integer number (82105450).

Almost surely, 2^164210899 is an apocalyptic number.

164210899 is a deficient number, since it is larger than the sum of its proper divisors (1).

164210899 is an equidigital number, since it uses as much as digits as its factorization.

164210899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 164210899 is about 12814.4800518788. The cubic root of 164210899 is about 547.6049008425.

The spelling of 164210899 in words is "one hundred sixty-four million, two hundred ten thousand, eight hundred ninety-nine".