1561624366116 has 24 divisors (see below), whose sum is σ = 3643811012800. Its totient is φ = 520538480352.

The previous prime is 1561624366079. The next prime is 1561624366129. The reversal of 1561624366116 is 6116634261651.

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, 3147585 + ... + 3609783.

Almost surely, 2^{1561624366116} is an apocalyptic number.

It is an amenable number.

1561624366116 is an abundant number, since it is smaller than the sum of its proper divisors (2082186646684).

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

1561624366116 is a wasteful number, since it uses less digits than its factorization.

1561624366116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743763 (or 743761 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The spelling of 1561624366116 in words is "one trillion, five hundred sixty-one billion, six hundred twenty-four million, three hundred sixty-six thousand, one hundred sixteen".