1660923353 has 2 divisors, whose sum is σ = 1660923354. Its totient is φ = 1660923352.

The previous prime is 1660923347. The next prime is 1660923359. The reversal of 1660923353 is 3533290661.

It is a balanced prime because it is at equal distance from previous prime (1660923347) and next prime (1660923359).

It can be written as a sum of positive squares in only one way, i.e., 1092434704 + 568488649 = 33052^2 + 23843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1660923353 - 2¹⁶ = 1660857817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1660923359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830461676 + 830461677.

It is an arithmetic number, because the mean of its divisors is an integer number (830461677).

Almost surely, 2^1660923353 is an apocalyptic number.

It is an amenable number.

1660923353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660923353 is an equidigital number, since it uses as much as digits as its factorization.

1660923353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 1660923353 is about 40754.4274036576. The cubic root of 1660923353 is about 1184.2676438806.

The spelling of 1660923353 in words is "one billion, six hundred sixty million, nine hundred twenty-three thousand, three hundred fifty-three".