66567732103 has 2 divisors, whose sum is σ = 66567732104. Its totient is φ = 66567732102.

The previous prime is 66567732053. The next prime is 66567732109. The reversal of 66567732103 is 30123776566.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66567732103 - 2²⁹ = 66030861191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66567732109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33283866051 + 33283866052.

It is an arithmetic number, because the mean of its divisors is an integer number (33283866052).

Almost surely, 2^66567732103 is an apocalyptic number.

66567732103 is a deficient number, since it is larger than the sum of its proper divisors (1).

66567732103 is an equidigital number, since it uses as much as digits as its factorization.

66567732103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 66567732103 in words is "sixty-six billion, five hundred sixty-seven million, seven hundred thirty-two thousand, one hundred three".