561026212616 has 32 divisors (see below), whose sum is σ = 1075559696640. Its totient is φ = 274224229248.

The previous prime is 561026212577. The next prime is 561026212661. The reversal of 561026212616 is 616212620165.

It is a super-2 number, since 2×561026212616² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 561026212616.

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, 548300 + ... + 1192763.

It is an arithmetic number, because the mean of its divisors is an integer number (33611240520).

Almost surely, 2^561026212616 is an apocalyptic number.

It is an amenable number.

561026212616 is a deficient number, since it is larger than the sum of its proper divisors (514533484024).

561026212616 is a wasteful number, since it uses less digits than its factorization.

561026212616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741973 (or 1741969 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 561026212616 in words is "five hundred sixty-one billion, twenty-six million, two hundred twelve thousand, six hundred sixteen".