16747174121 has 2 divisors, whose sum is σ = 16747174122. Its totient is φ = 16747174120.

The previous prime is 16747174111. The next prime is 16747174133. The reversal of 16747174121 is 12147174761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15459440896 + 1287733225 = 124336^2 + 35885^2 .

It is a cyclic number.

It is not a de Polignac number, because 16747174121 - 2²² = 16742979817 is a prime.

It is not a weakly prime, because it can be changed into another prime (16747174111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8373587060 + 8373587061.

It is an arithmetic number, because the mean of its divisors is an integer number (8373587061).

Almost surely, 2^16747174121 is an apocalyptic number.

It is an amenable number.

16747174121 is a deficient number, since it is larger than the sum of its proper divisors (1).

16747174121 is an equidigital number, since it uses as much as digits as its factorization.

16747174121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 41.

The spelling of 16747174121 in words is "sixteen billion, seven hundred forty-seven million, one hundred seventy-four thousand, one hundred twenty-one".