1660080523 has 2 divisors, whose sum is σ = 1660080524. Its totient is φ = 1660080522.

The previous prime is 1660080503. The next prime is 1660080533. The reversal of 1660080523 is 3250800661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1660080523 - 2⁹ = 1660080011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1660080503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830040261 + 830040262.

It is an arithmetic number, because the mean of its divisors is an integer number (830040262).

Almost surely, 2^1660080523 is an apocalyptic number.

1660080523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660080523 is an equidigital number, since it uses as much as digits as its factorization.

1660080523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1660080523 is about 40744.0857425958. The cubic root of 1660080523 is about 1184.0672924359.

The spelling of 1660080523 in words is "one billion, six hundred sixty million, eighty thousand, five hundred twenty-three".