1660142383 has 2 divisors, whose sum is σ = 1660142384. Its totient is φ = 1660142382.

The previous prime is 1660142359. The next prime is 1660142387. The reversal of 1660142383 is 3832410661.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3832410661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1660142383 - 2⁹ = 1660141871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1660142387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830071191 + 830071192.

It is an arithmetic number, because the mean of its divisors is an integer number (830071192).

Almost surely, 2^1660142383 is an apocalyptic number.

1660142383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660142383 is an equidigital number, since it uses as much as digits as its factorization.

1660142383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1660142383 is about 40744.8448641052. The cubic root of 1660142383 is about 1184.0819996528.

The spelling of 1660142383 in words is "one billion, six hundred sixty million, one hundred forty-two thousand, three hundred eighty-three".