5531666 has 8 divisors (see below), whose sum is σ = 9482880. Its totient is φ = 2370708.

The previous prime is 5531657. The next prime is 5531677. The reversal of 5531666 is 6661355.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197546 + ... + 197573.

It is an arithmetic number, because the mean of its divisors is an integer number (1185360).

Almost surely, 2^5531666 is an apocalyptic number.

5531666 is a deficient number, since it is larger than the sum of its proper divisors (3951214).

5531666 is a wasteful number, since it uses less digits than its factorization.

5531666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395128.

The product of its digits is 16200, while the sum is 32.

The square root of 5531666 is about 2351.9494042177. The cubic root of 5531666 is about 176.8555323669.

The spelling of 5531666 in words is "five million, five hundred thirty-one thousand, six hundred sixty-six".