13662156214056 has 64 divisors (see below), whose sum is σ = 39037604774400. Its totient is φ = 3903185930688.

The previous prime is 13662156214033. The next prime is 13662156214081. The reversal of 13662156214056 is 65041265126631.

It is a happy number.

It is a super-2 number, since 2×13662156214056² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13662156213996 and 13662156214014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697630 + ... + 5273613.

It is an arithmetic number, because the mean of its divisors is an integer number (609962574600).

Almost surely, 2^{13662156214056} is an apocalyptic number.

It is an amenable number.

13662156214056 is an abundant number, since it is smaller than the sum of its proper divisors (25375448560344).

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

13662156214056 is a wasteful number, since it uses less digits than its factorization.

13662156214056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984878 (or 5984874 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 13662156214056 in words is "thirteen trillion, six hundred sixty-two billion, one hundred fifty-six million, two hundred fourteen thousand, fifty-six".