1660242433 has 8 divisors (see below), whose sum is σ = 1692404480. Its totient is φ = 1628359200.

The previous prime is 1660242413. The next prime is 1660242461. The reversal of 1660242433 is 3342420661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1660242433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1660242395 and 1660242404.

It is not an unprimeable number, because it can be changed into a prime (1660242413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57660 + ... + 81517.

It is an arithmetic number, because the mean of its divisors is an integer number (211550560).

Almost surely, 2^1660242433 is an apocalyptic number.

It is an amenable number.

1660242433 is a deficient number, since it is larger than the sum of its proper divisors (32162047).

1660242433 is a wasteful number, since it uses less digits than its factorization.

1660242433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139407.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 1660242433 is about 40746.0726082895. The cubic root of 1660242433 is about 1184.1057857701.

The spelling of 1660242433 in words is "one billion, six hundred sixty million, two hundred forty-two thousand, four hundred thirty-three".