164889410053 has 2 divisors, whose sum is σ = 164889410054. Its totient is φ = 164889410052.

The previous prime is 164889410039. The next prime is 164889410069. The reversal of 164889410053 is 350014988461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121684461889 + 43204948164 = 348833^2 + 207858^2 .

It is a cyclic number.

It is not a de Polignac number, because 164889410053 - 2³³ = 156299475461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164889409979 and 164889410006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164889410453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82444705026 + 82444705027.

It is an arithmetic number, because the mean of its divisors is an integer number (82444705027).

Almost surely, 2^164889410053 is an apocalyptic number.

It is an amenable number.

164889410053 is a deficient number, since it is larger than the sum of its proper divisors (1).

164889410053 is an equidigital number, since it uses as much as digits as its factorization.

164889410053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 164889410053 in words is "one hundred sixty-four billion, eight hundred eighty-nine million, four hundred ten thousand, fifty-three".