17100164421 has 24 divisors (see below), whose sum is σ = 26239833984. Its totient is φ = 11122051680.

The previous prime is 17100164401. The next prime is 17100164423. The reversal of 17100164421 is 12446100171.

17100164421 is a `hidden beast` number, since 1 + 7 + 10 + 0 + 1 + 644 + 2 + 1 = 666.

It is not a de Polignac number, because 17100164421 - 2¹⁹ = 17099640133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17100164423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 848221 + ... + 868146.

It is an arithmetic number, because the mean of its divisors is an integer number (1093326416).

Almost surely, 2^17100164421 is an apocalyptic number.

It is an amenable number.

17100164421 is a deficient number, since it is larger than the sum of its proper divisors (9139669563).

17100164421 is an equidigital number, since it uses as much as digits as its factorization.

17100164421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716423 (or 1716411 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

Adding to 17100164421 its reverse (12446100171), we get a palindrome (29546264592).

The spelling of 17100164421 in words is "seventeen billion, one hundred million, one hundred sixty-four thousand, four hundred twenty-one".