1626716136061 has 2 divisors, whose sum is σ = 1626716136062. Its totient is φ = 1626716136060.

The previous prime is 1626716136049. The next prime is 1626716136091. The reversal of 1626716136061 is 1606316176261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1514487116025 + 112229020036 = 1230645^2 + 335006^2 .

It is an emirp because it is prime and its reverse (1606316176261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1626716136061 - 2⁹ = 1626716135549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1626716136091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 813358068030 + 813358068031.

It is an arithmetic number, because the mean of its divisors is an integer number (813358068031).

Almost surely, 2^{1626716136061} is an apocalyptic number.

It is an amenable number.

1626716136061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1626716136061 is an equidigital number, since it uses as much as digits as its factorization.

1626716136061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 1626716136061 in words is "one trillion, six hundred twenty-six billion, seven hundred sixteen million, one hundred thirty-six thousand, sixty-one".