6660732433 has 8 divisors (see below), whose sum is σ = 6723877160. Its totient is φ = 6597624960.

The previous prime is 6660732427. The next prime is 6660732467. The reversal of 6660732433 is 3342370666.

It can be written as a sum of positive squares in 4 ways, for example, as 2164761729 + 4495970704 = 46527^2 + 67052^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6660732433 - 2⁹ = 6660731921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6660732493) 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, 461263 + ... + 475483.

It is an arithmetic number, because the mean of its divisors is an integer number (840484645).

Almost surely, 2^6660732433 is an apocalyptic number.

It is an amenable number.

6660732433 is a deficient number, since it is larger than the sum of its proper divisors (63144727).

6660732433 is a wasteful number, since it uses less digits than its factorization.

6660732433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18627.

The product of its (nonzero) digits is 326592, while the sum is 40.

The square root of 6660732433 is about 81613.3103911366. The cubic root of 6660732433 is about 1881.5134592181.

The spelling of 6660732433 in words is "six billion, six hundred sixty million, seven hundred thirty-two thousand, four hundred thirty-three".