16000105061 has 2 divisors, whose sum is σ = 16000105062. Its totient is φ = 16000105060.

The previous prime is 16000105021. The next prime is 16000105091. The reversal of 16000105061 is 16050100061.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11375289025 + 4624816036 = 106655^2 + 68006^2 .

It is a cyclic number.

It is not a de Polignac number, because 16000105061 - 2¹⁰ = 16000104037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16000105021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000052530 + 8000052531.

It is an arithmetic number, because the mean of its divisors is an integer number (8000052531).

Almost surely, 2^16000105061 is an apocalyptic number.

It is an amenable number.

16000105061 is a deficient number, since it is larger than the sum of its proper divisors (1).

16000105061 is an equidigital number, since it uses as much as digits as its factorization.

16000105061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

Subtracting 16000105061 from its reverse (16050100061), we obtain a triangular number (49995000 = T₉₉₉₉).

The spelling of 16000105061 in words is "sixteen billion, one hundred five thousand, sixty-one".