1334666681472 has 64 divisors (see below), whose sum is σ = 3585042266400. Its totient is φ = 439890130944.

The previous prime is 1334666681461. The next prime is 1334666681507. The reversal of 1334666681472 is 2741866664331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1334666681472² (a number of 25 digits) contains 22 as substring.

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, 19492198 + ... + 19560549.

Almost surely, 2^{1334666681472} is an apocalyptic number.

1334666681472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1334666681472 is an abundant number, since it is smaller than the sum of its proper divisors (2250375584928).

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

1334666681472 is an equidigital number, since it uses as much as digits as its factorization.

1334666681472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39052853 (or 39052841 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 57.

The spelling of 1334666681472 in words is "one trillion, three hundred thirty-four billion, six hundred sixty-six million, six hundred eighty-one thousand, four hundred seventy-two".