1306066365632 has 56 divisors (see below), whose sum is σ = 2983592309664. Its totient is φ = 555656988672.

The previous prime is 1306066365623. The next prime is 1306066365649. The reversal of 1306066365632 is 2365636606031.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×1306066365632² (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, 10578503 + ... + 10701254.

Almost surely, 2^{1306066365632} is an apocalyptic number.

It is an amenable number.

1306066365632 is an abundant number, since it is smaller than the sum of its proper divisors (1677525944032).

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

1306066365632 is a wasteful number, since it uses less digits than its factorization.

1306066365632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21279913 (or 21279903 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 47.

The spelling of 1306066365632 in words is "one trillion, three hundred six billion, sixty-six million, three hundred sixty-five thousand, six hundred thirty-two".