10662474136861 has 2 divisors, whose sum is σ = 10662474136862. Its totient is φ = 10662474136860.

The previous prime is 10662474136837. The next prime is 10662474136883. The reversal of 10662474136861 is 16863147426601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7546525444836 + 3115948692025 = 2747094^2 + 1765205^2 .

It is a cyclic number.

It is not a de Polignac number, because 10662474136861 - 2⁵ = 10662474136829 is a prime.

It is a super-2 number, since 2×10662474136861² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10662474136361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5331237068430 + 5331237068431.

It is an arithmetic number, because the mean of its divisors is an integer number (5331237068431).

Almost surely, 2^{10662474136861} is an apocalyptic number.

It is an amenable number.

10662474136861 is a deficient number, since it is larger than the sum of its proper divisors (1).

10662474136861 is an equidigital number, since it uses as much as digits as its factorization.

10662474136861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 10662474136861 in words is "ten trillion, six hundred sixty-two billion, four hundred seventy-four million, one hundred thirty-six thousand, eight hundred sixty-one".