16160611510649 has 2 divisors, whose sum is σ = 16160611510650. Its totient is φ = 16160611510648.

The previous prime is 16160611510609. The next prime is 16160611510717. The reversal of 16160611510649 is 94601511606161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16070156737600 + 90454773049 = 4008760^2 + 300757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16160611510649 is a prime.

It is a super-2 number, since 2×16160611510649² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16160611510609) 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 as a sum of consecutive naturals, namely, 8080305755324 + 8080305755325.

It is an arithmetic number, because the mean of its divisors is an integer number (8080305755325).

Almost surely, 2^{16160611510649} is an apocalyptic number.

It is an amenable number.

16160611510649 is a deficient number, since it is larger than the sum of its proper divisors (1).

16160611510649 is an equidigital number, since it uses as much as digits as its factorization.

16160611510649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 16160611510649 in words is "sixteen trillion, one hundred sixty billion, six hundred eleven million, five hundred ten thousand, six hundred forty-nine".