6601680523 has 2 divisors, whose sum is σ = 6601680524. Its totient is φ = 6601680522.

The previous prime is 6601680517. The next prime is 6601680529. The reversal of 6601680523 is 3250861066.

It is a balanced prime because it is at equal distance from previous prime (6601680517) and next prime (6601680529).

It is a cyclic number.

It is not a de Polignac number, because 6601680523 - 2²¹ = 6599583371 is a prime.

It is not a weakly prime, because it can be changed into another prime (6601680529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3300840261 + 3300840262.

It is an arithmetic number, because the mean of its divisors is an integer number (3300840262).

Almost surely, 2^6601680523 is an apocalyptic number.

6601680523 is a deficient number, since it is larger than the sum of its proper divisors (1).

6601680523 is an equidigital number, since it uses as much as digits as its factorization.

6601680523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 6601680523 is about 81250.7262921385. The cubic root of 6601680523 is about 1875.9366482782.

The spelling of 6601680523 in words is "six billion, six hundred one million, six hundred eighty thousand, five hundred twenty-three".