1660002359 has 2 divisors, whose sum is σ = 1660002360. Its totient is φ = 1660002358.

The previous prime is 1660002313. The next prime is 1660002371. The reversal of 1660002359 is 9532000661.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1660002359 - 2¹⁶ = 1659936823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1660002959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830001179 + 830001180.

It is an arithmetic number, because the mean of its divisors is an integer number (830001180).

Almost surely, 2^1660002359 is an apocalyptic number.

1660002359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660002359 is an equidigital number, since it uses as much as digits as its factorization.

1660002359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1660002359 is about 40743.1265246053. The cubic root of 1660002359 is about 1184.0487084201.

The spelling of 1660002359 in words is "one billion, six hundred sixty million, two thousand, three hundred fifty-nine".