164860867 has 2 divisors, whose sum is σ = 164860868. Its totient is φ = 164860866.

The previous prime is 164860847. The next prime is 164860879. The reversal of 164860867 is 768068461.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164860867 - 2¹⁵ = 164828099 is a prime.

It is not a weakly prime, because it can be changed into another prime (164860847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82430433 + 82430434.

It is an arithmetic number, because the mean of its divisors is an integer number (82430434).

Almost surely, 2^164860867 is an apocalyptic number.

164860867 is a deficient number, since it is larger than the sum of its proper divisors (1).

164860867 is an equidigital number, since it uses as much as digits as its factorization.

164860867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 164860867 is about 12839.8156918236. The cubic root of 164860867 is about 548.3264467210.

The spelling of 164860867 in words is "one hundred sixty-four million, eight hundred sixty thousand, eight hundred sixty-seven".