1346666668044 has 24 divisors (see below), whose sum is σ = 3144301832448. Its totient is φ = 448591802640.

The previous prime is 1346666667979. The next prime is 1346666668073. The reversal of 1346666668044 is 4408666666431.

It is a happy number.

It is a super-2 number, since 2×1346666668044² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37116952 + ... + 37153215.

It is an arithmetic number, because the mean of its divisors is an integer number (131012576352).

Almost surely, 2^{1346666668044} is an apocalyptic number.

It is an amenable number.

1346666668044 is an abundant number, since it is smaller than the sum of its proper divisors (1797635164404).

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

1346666668044 is a wasteful number, since it uses less digits than its factorization.

1346666668044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74271685 (or 74271683 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 60.

The spelling of 1346666668044 in words is "one trillion, three hundred forty-six billion, six hundred sixty-six million, six hundred sixty-eight thousand, forty-four".