1346666667997 has 8 divisors (see below), whose sum is σ = 1547550647552. Its totient is φ = 1147908445200.

The previous prime is 1346666667979. The next prime is 1346666668073. The reversal of 1346666667997 is 7997666666431.

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

It is a cyclic number.

It is not a de Polignac number, because 1346666667997 - 2¹⁹ = 1346666143709 is a prime.

It is a super-2 number, since 2×1346666667997² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346666667397) 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, 531437829 + ... + 531440362.

It is an arithmetic number, because the mean of its divisors is an integer number (193443830944).

Almost surely, 2^{1346666667997} is an apocalyptic number.

It is an amenable number.

1346666667997 is a deficient number, since it is larger than the sum of its proper divisors (200883979555).

1346666667997 is a wasteful number, since it uses less digits than its factorization.

1346666667997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062878379.

The product of its digits is 2222131968, while the sum is 76.

The spelling of 1346666667997 in words is "one trillion, three hundred forty-six billion, six hundred sixty-six million, six hundred sixty-seven thousand, nine hundred ninety-seven".