1321014666 has 16 divisors (see below), whose sum is σ = 2642472000. Its totient is φ = 440264448.

The previous prime is 1321014649. The next prime is 1321014671. The reversal of 1321014666 is 6664101231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30235 + ... + 59633.

It is an arithmetic number, because the mean of its divisors is an integer number (165154500).

Almost surely, 2^1321014666 is an apocalyptic number.

1321014666 is an abundant number, since it is smaller than the sum of its proper divisors (1321457334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321014666 is a wasteful number, since it uses less digits than its factorization.

1321014666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36893.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1321014666 is about 36345.7654479858. The cubic root of 1321014666 is about 1097.2423115652.

Adding to 1321014666 its reverse (6664101231), we get a palindrome (7985115897).

The spelling of 1321014666 in words is "one billion, three hundred twenty-one million, fourteen thousand, six hundred sixty-six".