1560663661356 has 48 divisors (see below), whose sum is σ = 4176686510080. Its totient is φ = 503439889680.

The previous prime is 1560663661339. The next prime is 1560663661393. The reversal of 1560663661356 is 6531663660651.

1560663661356 is a `hidden beast` number, since 1 + 560 + 6 + 6 + 3 + 66 + 13 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 233070676 + ... + 233077371.

Almost surely, 2^{1560663661356} is an apocalyptic number.

It is an amenable number.

1560663661356 is an abundant number, since it is smaller than the sum of its proper divisors (2616022848724).

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

1560663661356 is a wasteful number, since it uses less digits than its factorization.

1560663661356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466148091 (or 466148083 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 54.

The spelling of 1560663661356 in words is "one trillion, five hundred sixty billion, six hundred sixty-three million, six hundred sixty-one thousand, three hundred fifty-six".