164441521351 has 2 divisors, whose sum is σ = 164441521352. Its totient is φ = 164441521350.

The previous prime is 164441521319. The next prime is 164441521357. The reversal of 164441521351 is 153125144461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164441521351 - 2⁵ = 164441521319 is a prime.

It is a super-3 number, since 3×164441521351³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164441521351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164441521357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82220760675 + 82220760676.

It is an arithmetic number, because the mean of its divisors is an integer number (82220760676).

Almost surely, 2^164441521351 is an apocalyptic number.

164441521351 is a deficient number, since it is larger than the sum of its proper divisors (1).

164441521351 is an equidigital number, since it uses as much as digits as its factorization.

164441521351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 37.

The spelling of 164441521351 in words is "one hundred sixty-four billion, four hundred forty-one million, five hundred twenty-one thousand, three hundred fifty-one".