164065454629 has 2 divisors, whose sum is σ = 164065454630. Its totient is φ = 164065454628.

The previous prime is 164065454611. The next prime is 164065454633. The reversal of 164065454629 is 926454560461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158455744225 + 5609710404 = 398065^2 + 74898^2 .

It is a cyclic number.

It is not a de Polignac number, because 164065454629 - 2²³ = 164057066021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164065451629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82032727314 + 82032727315.

It is an arithmetic number, because the mean of its divisors is an integer number (82032727315).

Almost surely, 2^164065454629 is an apocalyptic number.

It is an amenable number.

164065454629 is a deficient number, since it is larger than the sum of its proper divisors (1).

164065454629 is an equidigital number, since it uses as much as digits as its factorization.

164065454629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 164065454629 in words is "one hundred sixty-four billion, sixty-five million, four hundred fifty-four thousand, six hundred twenty-nine".