1659920083 has 2 divisors, whose sum is σ = 1659920084. Its totient is φ = 1659920082.

The previous prime is 1659920027. The next prime is 1659920131. The reversal of 1659920083 is 3800299561.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1659920083 - 2⁹ = 1659919571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1659920683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829960041 + 829960042.

It is an arithmetic number, because the mean of its divisors is an integer number (829960042).

Almost surely, 2^1659920083 is an apocalyptic number.

1659920083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1659920083 is an equidigital number, since it uses as much as digits as its factorization.

1659920083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 1659920083 is about 40742.1168203126. The cubic root of 1659920083 is about 1184.0291461183.

The spelling of 1659920083 in words is "one billion, six hundred fifty-nine million, nine hundred twenty thousand, eighty-three".