164404488667 has 2 divisors, whose sum is σ = 164404488668. Its totient is φ = 164404488666.

The previous prime is 164404488583. The next prime is 164404488673. The reversal of 164404488667 is 766884404461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164404488667 - 2¹¹ = 164404486619 is a prime.

It is a super-3 number, since 3×164404488667³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (164404488467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82202244333 + 82202244334.

It is an arithmetic number, because the mean of its divisors is an integer number (82202244334).

Almost surely, 2^164404488667 is an apocalyptic number.

164404488667 is a deficient number, since it is larger than the sum of its proper divisors (1).

164404488667 is an equidigital number, since it uses as much as digits as its factorization.

164404488667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24772608, while the sum is 58.

The spelling of 164404488667 in words is "one hundred sixty-four billion, four hundred four million, four hundred eighty-eight thousand, six hundred sixty-seven".