66674652242 has 8 divisors (see below), whose sum is σ = 109103976432. Its totient is φ = 30306660100.

The previous prime is 66674652227. The next prime is 66674652257. The reversal of 66674652242 is 24225647666.

It is a happy number.

66674652242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66674652227) and next prime (66674652257).

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, 1515332984 + ... + 1515333027.

It is an arithmetic number, because the mean of its divisors is an integer number (13637997054).

Almost surely, 2^66674652242 is an apocalyptic number.

66674652242 is a deficient number, since it is larger than the sum of its proper divisors (42429324190).

66674652242 is a wasteful number, since it uses less digits than its factorization.

66674652242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030666024.

The product of its digits is 5806080, while the sum is 50.

The spelling of 66674652242 in words is "sixty-six billion, six hundred seventy-four million, six hundred fifty-two thousand, two hundred forty-two".