10666346651 has 2 divisors, whose sum is σ = 10666346652. Its totient is φ = 10666346650.

The previous prime is 10666346633. The next prime is 10666346671. The reversal of 10666346651 is 15664366601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10666346651 - 2²⁶ = 10599237787 is a prime.

It is a super-2 number, since 2×10666346651² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10666346671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333173325 + 5333173326.

It is an arithmetic number, because the mean of its divisors is an integer number (5333173326).

Almost surely, 2^10666346651 is an apocalyptic number.

10666346651 is a deficient number, since it is larger than the sum of its proper divisors (1).

10666346651 is an equidigital number, since it uses as much as digits as its factorization.

10666346651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 10666346651 in words is "ten billion, six hundred sixty-six million, three hundred forty-six thousand, six hundred fifty-one".