561677340006 has 48 divisors (see below), whose sum is σ = 1238146185120. Its totient is φ = 183973628160.

The previous prime is 561677339963. The next prime is 561677340011. The reversal of 561677340006 is 600043776165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 854391 + ... + 1361373.

It is an arithmetic number, because the mean of its divisors is an integer number (25794712190).

Almost surely, 2^561677340006 is an apocalyptic number.

561677340006 is an abundant number, since it is smaller than the sum of its proper divisors (676468845114).

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

561677340006 is a wasteful number, since it uses less digits than its factorization.

561677340006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508061 (or 508058 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 561677340006 in words is "five hundred sixty-one billion, six hundred seventy-seven million, three hundred forty thousand, six".