16140051601 has 2 divisors, whose sum is σ = 16140051602. Its totient is φ = 16140051600.

The previous prime is 16140051589. The next prime is 16140051643. The reversal of 16140051601 is 10615004161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15049400976 + 1090650625 = 122676^2 + 33025^2 .

It is a cyclic number.

It is not a de Polignac number, because 16140051601 - 2⁵ = 16140051569 is a prime.

It is not a weakly prime, because it can be changed into another prime (16140051701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8070025800 + 8070025801.

It is an arithmetic number, because the mean of its divisors is an integer number (8070025801).

Almost surely, 2^16140051601 is an apocalyptic number.

It is an amenable number.

16140051601 is a deficient number, since it is larger than the sum of its proper divisors (1).

16140051601 is an equidigital number, since it uses as much as digits as its factorization.

16140051601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 16140051601 its reverse (10615004161), we get a palindrome (26755055762).

The spelling of 16140051601 in words is "sixteen billion, one hundred forty million, fifty-one thousand, six hundred one".