13656531446 has 8 divisors (see below), whose sum is σ = 20520800280. Its totient is φ = 6816264688.

The previous prime is 13656531431. The next prime is 13656531487. The reversal of 13656531446 is 64413565631.

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

It is a super-2 number, since 2×13656531446² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13656531397 and 13656531406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5999096 + ... + 6001371.

It is an arithmetic number, because the mean of its divisors is an integer number (2565100035).

Almost surely, 2^13656531446 is an apocalyptic number.

13656531446 is a deficient number, since it is larger than the sum of its proper divisors (6864268834).

13656531446 is a wasteful number, since it uses less digits than its factorization.

13656531446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12001038.

The product of its digits is 777600, while the sum is 44.

The spelling of 13656531446 in words is "thirteen billion, six hundred fifty-six million, five hundred thirty-one thousand, four hundred forty-six".