1660632383 has 2 divisors, whose sum is σ = 1660632384. Its totient is φ = 1660632382.

The previous prime is 1660632371. The next prime is 1660632443. The reversal of 1660632383 is 3832360661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1660632383 - 2⁴ = 1660632367 is a prime.

It is a super-2 number, since 2×1660632383² = 5515399822936517378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1660632313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830316191 + 830316192.

It is an arithmetic number, because the mean of its divisors is an integer number (830316192).

Almost surely, 2^1660632383 is an apocalyptic number.

1660632383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660632383 is an equidigital number, since it uses as much as digits as its factorization.

1660632383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 1660632383 is about 40750.8574511016. The cubic root of 1660632383 is about 1184.1984842612.

The spelling of 1660632383 in words is "one billion, six hundred sixty million, six hundred thirty-two thousand, three hundred eighty-three".