1441666811 has 8 divisors (see below), whose sum is σ = 1602647424. Its totient is φ = 1287840960.

The previous prime is 1441666799. The next prime is 1441666903. The reversal of 1441666811 is 1186661441.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1441666811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1441666511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1788266 + ... + 1789071.

It is an arithmetic number, because the mean of its divisors is an integer number (200330928).

Almost surely, 2^1441666811 is an apocalyptic number.

1441666811 is a deficient number, since it is larger than the sum of its proper divisors (160980613).

1441666811 is a wasteful number, since it uses less digits than its factorization.

1441666811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577381.

The product of its digits is 27648, while the sum is 38.

The square root of 1441666811 is about 37969.2877336407. The cubic root of 1441666811 is about 1129.6787692123.

The spelling of 1441666811 in words is "one billion, four hundred forty-one million, six hundred sixty-six thousand, eight hundred eleven".