1617563790412 has 12 divisors (see below), whose sum is σ = 2830748975656. Its totient is φ = 808778368800.

The previous prime is 1617563790391. The next prime is 1617563790443. The reversal of 1617563790412 is 2140973657161.

It is a self number, because there is not a number n which added to its sum of digits gives 1617563790412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337912 + ... + 1830112.

Almost surely, 2^{1617563790412} is an apocalyptic number.

It is an amenable number.

1617563790412 is a deficient number, since it is larger than the sum of its proper divisors (1213185185244).

1617563790412 is a wasteful number, since it uses less digits than its factorization.

1617563790412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763208 (or 1763206 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 1617563790412 in words is "one trillion, six hundred seventeen billion, five hundred sixty-three million, seven hundred ninety thousand, four hundred twelve".