16178162941 has 2 divisors, whose sum is σ = 16178162942. Its totient is φ = 16178162940.

The previous prime is 16178162927. The next prime is 16178163011. The reversal of 16178162941 is 14926187161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16137891225 + 40271716 = 127035^2 + 6346^2 .

It is a cyclic number.

It is not a de Polignac number, because 16178162941 - 2⁷ = 16178162813 is a prime.

It is a super-2 number, since 2×16178162941² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16178162891 and 16178162900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16178462941) 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, 8089081470 + 8089081471.

It is an arithmetic number, because the mean of its divisors is an integer number (8089081471).

Almost surely, 2^16178162941 is an apocalyptic number.

It is an amenable number.

16178162941 is a deficient number, since it is larger than the sum of its proper divisors (1).

16178162941 is an equidigital number, since it uses as much as digits as its factorization.

16178162941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 46.

The spelling of 16178162941 in words is "sixteen billion, one hundred seventy-eight million, one hundred sixty-two thousand, nine hundred forty-one".