16051650061 has 2 divisors, whose sum is σ = 16051650062. Its totient is φ = 16051650060.

The previous prime is 16051650049. The next prime is 16051650079. The reversal of 16051650061 is 16005615061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9678821161 + 6372828900 = 98381^2 + 79830^2 .

It is a cyclic number.

It is not a de Polignac number, because 16051650061 - 2¹⁵ = 16051617293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16051650161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8025825030 + 8025825031.

It is an arithmetic number, because the mean of its divisors is an integer number (8025825031).

Almost surely, 2^16051650061 is an apocalyptic number.

It is an amenable number.

16051650061 is a deficient number, since it is larger than the sum of its proper divisors (1).

16051650061 is an equidigital number, since it uses as much as digits as its factorization.

16051650061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 16051650061 in words is "sixteen billion, fifty-one million, six hundred fifty thousand, sixty-one".