1659011983 has 2 divisors, whose sum is σ = 1659011984. Its totient is φ = 1659011982.

The previous prime is 1659011971. The next prime is 1659011993. The reversal of 1659011983 is 3891109561.

It is a strong prime.

It is an emirp because it is prime and its reverse (3891109561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1659011983 - 2⁵ = 1659011951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1659011933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829505991 + 829505992.

It is an arithmetic number, because the mean of its divisors is an integer number (829505992).

Almost surely, 2^1659011983 is an apocalyptic number.

1659011983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1659011983 is an equidigital number, since it uses as much as digits as its factorization.

1659011983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 1659011983 is about 40730.9708084647. The cubic root of 1659011983 is about 1183.8131893357.

The spelling of 1659011983 in words is "one billion, six hundred fifty-nine million, eleven thousand, nine hundred eighty-three".