1346666667980 has 24 divisors (see below), whose sum is σ = 2828083462512. Its totient is φ = 538650770112.

The previous prime is 1346666667979. The next prime is 1346666668073. The reversal of 1346666667980 is 897666666431.

It is a super-2 number, since 2×1346666667980² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1346666667980.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286667 + ... + 1665986.

It is an arithmetic number, because the mean of its divisors is an integer number (117836810938).

Almost surely, 2^{1346666667980} is an apocalyptic number.

1346666667980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1346666667980 is an abundant number, since it is smaller than the sum of its proper divisors (1481416794532).

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

1346666667980 is a wasteful number, since it uses less digits than its factorization.

1346666667980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987145 (or 1987143 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 68.

The spelling of 1346666667980 in words is "one trillion, three hundred forty-six billion, six hundred sixty-six million, six hundred sixty-seven thousand, nine hundred eighty".