2423531666 has 8 divisors (see below), whose sum is σ = 3793353984. Its totient is φ = 1159080340.

The previous prime is 2423531651. The next prime is 2423531683. The reversal of 2423531666 is 6661353242.

It is a happy number.

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

It is a super-2 number, since 2×2423531666² = 11747011472209471112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26342690 + ... + 26342781.

It is an arithmetic number, because the mean of its divisors is an integer number (474169248).

Almost surely, 2^2423531666 is an apocalyptic number.

2423531666 is a deficient number, since it is larger than the sum of its proper divisors (1369822318).

2423531666 is a wasteful number, since it uses less digits than its factorization.

2423531666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52685496.

The product of its digits is 155520, while the sum is 38.

The square root of 2423531666 is about 49229.3780785417. The cubic root of 2423531666 is about 1343.2274741389.

The spelling of 2423531666 in words is "two billion, four hundred twenty-three million, five hundred thirty-one thousand, six hundred sixty-six".