66925037527 has 2 divisors, whose sum is σ = 66925037528. Its totient is φ = 66925037526.

The previous prime is 66925037513. The next prime is 66925037539. The reversal of 66925037527 is 72573052966.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66925037527 - 2¹⁵ = 66925004759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66925037507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33462518763 + 33462518764.

It is an arithmetic number, because the mean of its divisors is an integer number (33462518764).

Almost surely, 2^66925037527 is an apocalyptic number.

66925037527 is a deficient number, since it is larger than the sum of its proper divisors (1).

66925037527 is an equidigital number, since it uses as much as digits as its factorization.

66925037527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4762800, while the sum is 52.

The spelling of 66925037527 in words is "sixty-six billion, nine hundred twenty-five million, thirty-seven thousand, five hundred twenty-seven".