164889410039 has 2 divisors, whose sum is σ = 164889410040. Its totient is φ = 164889410038.

The previous prime is 164889409991. The next prime is 164889410053. The reversal of 164889410039 is 930014988461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164889410039 - 2¹² = 164889405943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164889410069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82444705019 + 82444705020.

It is an arithmetic number, because the mean of its divisors is an integer number (82444705020).

Almost surely, 2^164889410039 is an apocalyptic number.

164889410039 is a deficient number, since it is larger than the sum of its proper divisors (1).

164889410039 is an equidigital number, since it uses as much as digits as its factorization.

164889410039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 164889410039 in words is "one hundred sixty-four billion, eight hundred eighty-nine million, four hundred ten thousand, thirty-nine".