16562260261 has 2 divisors, whose sum is σ = 16562260262. Its totient is φ = 16562260260.

The previous prime is 16562260201. The next prime is 16562260333. The reversal of 16562260261 is 16206226561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15328916100 + 1233344161 = 123810^2 + 35119^2 .

It is a cyclic number.

It is not a de Polignac number, because 16562260261 - 2⁷ = 16562260133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16562260261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16562260201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8281130130 + 8281130131.

It is an arithmetic number, because the mean of its divisors is an integer number (8281130131).

Almost surely, 2^16562260261 is an apocalyptic number.

It is an amenable number.

16562260261 is a deficient number, since it is larger than the sum of its proper divisors (1).

16562260261 is an equidigital number, since it uses as much as digits as its factorization.

16562260261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 16562260261 in words is "sixteen billion, five hundred sixty-two million, two hundred sixty thousand, two hundred sixty-one".