16226532013 has 2 divisors, whose sum is σ = 16226532014. Its totient is φ = 16226532012.

The previous prime is 16226531969. The next prime is 16226532037. The reversal of 16226532013 is 31023562261.

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., 11986308324 + 4240223689 = 109482^2 + 65117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16226532013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16226532083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8113266006 + 8113266007.

It is an arithmetic number, because the mean of its divisors is an integer number (8113266007).

Almost surely, 2^16226532013 is an apocalyptic number.

It is an amenable number.

16226532013 is a deficient number, since it is larger than the sum of its proper divisors (1).

16226532013 is an equidigital number, since it uses as much as digits as its factorization.

16226532013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 16226532013 in words is "sixteen billion, two hundred twenty-six million, five hundred thirty-two thousand, thirteen".