561206761614 has 24 divisors (see below), whose sum is σ = 1215981748800. Its totient is φ = 187063725888.

The previous prime is 561206761607. The next prime is 561206761657. The reversal of 561206761614 is 416167602165.

561206761614 is a `hidden beast` number, since 5 + 6 + 1 + 20 + 6 + 7 + 6 + 1 + 614 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 561206761614.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263619 + ... + 1091745.

It is an arithmetic number, because the mean of its divisors is an integer number (50665906200).

Almost surely, 2^561206761614 is an apocalyptic number.

561206761614 is an abundant number, since it is smaller than the sum of its proper divisors (654774987186).

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

561206761614 is a wasteful number, since it uses less digits than its factorization.

561206761614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865784 (or 865781 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 561206761614 in words is "five hundred sixty-one billion, two hundred six million, seven hundred sixty-one thousand, six hundred fourteen".