164078281333 has 2 divisors, whose sum is σ = 164078281334. Its totient is φ = 164078281332.

The previous prime is 164078281327. The next prime is 164078281363. The reversal of 164078281333 is 333182870461.

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., 163088360964 + 989920369 = 403842^2 + 31463^2 .

It is a cyclic number.

It is not a de Polignac number, because 164078281333 - 2²⁹ = 163541410421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164078281313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82039140666 + 82039140667.

It is an arithmetic number, because the mean of its divisors is an integer number (82039140667).

Almost surely, 2^164078281333 is an apocalyptic number.

It is an amenable number.

164078281333 is a deficient number, since it is larger than the sum of its proper divisors (1).

164078281333 is an equidigital number, since it uses as much as digits as its factorization.

164078281333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 164078281333 in words is "one hundred sixty-four billion, seventy-eight million, two hundred eighty-one thousand, three hundred thirty-three".