1660651283 has 2 divisors, whose sum is σ = 1660651284. Its totient is φ = 1660651282.

The previous prime is 1660651253. The next prime is 1660651303. The reversal of 1660651283 is 3821560661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1660651283 - 2¹⁰ = 1660650259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1660651253) 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, 830325641 + 830325642.

It is an arithmetic number, because the mean of its divisors is an integer number (830325642).

Almost surely, 2^1660651283 is an apocalyptic number.

1660651283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660651283 is an equidigital number, since it uses as much as digits as its factorization.

1660651283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1660651283 is about 40751.0893474027. The cubic root of 1660651283 is about 1184.2029767800.

The spelling of 1660651283 in words is "one billion, six hundred sixty million, six hundred fifty-one thousand, two hundred eighty-three".