1333332666638 has 64 divisors (see below), whose sum is σ = 2414020976640. Its totient is φ = 539979482592.

The previous prime is 1333332666637. The next prime is 1333332666683. The reversal of 1333332666638 is 8366662333331.

It is a self number, because there is not a number n which added to its sum of digits gives 1333332666638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333332666637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13848581 + ... + 13944527.

It is an arithmetic number, because the mean of its divisors is an integer number (37719077760).

Almost surely, 2^{1333332666638} is an apocalyptic number.

1333332666638 is a deficient number, since it is larger than the sum of its proper divisors (1080688310002).

1333332666638 is a wasteful number, since it uses less digits than its factorization.

1333332666638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96501.

The product of its digits is 15116544, while the sum is 53.

Adding to 1333332666638 its reverse (8366662333331), we get a palindrome (9699994999969).

The spelling of 1333332666638 in words is "one trillion, three hundred thirty-three billion, three hundred thirty-two million, six hundred sixty-six thousand, six hundred thirty-eight".