66052655651 has 2 divisors, whose sum is σ = 66052655652. Its totient is φ = 66052655650.

The previous prime is 66052655623. The next prime is 66052655723. The reversal of 66052655651 is 15655625066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66052655651 - 2⁶ = 66052655587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66052655596 and 66052655605.

It is not a weakly prime, because it can be changed into another prime (66052645651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33026327825 + 33026327826.

It is an arithmetic number, because the mean of its divisors is an integer number (33026327826).

Almost surely, 2^66052655651 is an apocalyptic number.

66052655651 is a deficient number, since it is larger than the sum of its proper divisors (1).

66052655651 is an equidigital number, since it uses as much as digits as its factorization.

66052655651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 66052655651 in words is "sixty-six billion, fifty-two million, six hundred fifty-five thousand, six hundred fifty-one".