1441706666 has 8 divisors (see below), whose sum is σ = 2212852224. Its totient is φ = 704089260.

The previous prime is 1441706659. The next prime is 1441706671. The reversal of 1441706666 is 6666071441.

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

It is a super-2 number, since 2×1441706666² = 4157036221577671112, which contains 22 as substring.

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, 8381930 + ... + 8382101.

It is an arithmetic number, because the mean of its divisors is an integer number (276606528).

Almost surely, 2^1441706666 is an apocalyptic number.

1441706666 is a deficient number, since it is larger than the sum of its proper divisors (771145558).

1441706666 is a wasteful number, since it uses less digits than its factorization.

1441706666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16764076.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 1441706666 is about 37969.8125620867. The cubic root of 1441706666 is about 1129.6891791379.

The spelling of 1441706666 in words is "one billion, four hundred forty-one million, seven hundred six thousand, six hundred sixty-six".