16162402481 has 2 divisors, whose sum is σ = 16162402482. Its totient is φ = 16162402480.

The previous prime is 16162402463. The next prime is 16162402643. The reversal of 16162402481 is 18420426161.

16162402481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13083928225 + 3078474256 = 114385^2 + 55484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16162402481 is a prime.

It is a super-2 number, since 2×16162402481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16162402411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8081201240 + 8081201241.

It is an arithmetic number, because the mean of its divisors is an integer number (8081201241).

Almost surely, 2^16162402481 is an apocalyptic number.

It is an amenable number.

16162402481 is a deficient number, since it is larger than the sum of its proper divisors (1).

16162402481 is an equidigital number, since it uses as much as digits as its factorization.

16162402481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 16162402481 in words is "sixteen billion, one hundred sixty-two million, four hundred two thousand, four hundred eighty-one".