5661665100050 has 48 divisors (see below), whose sum is σ = 10539899278272. Its totient is φ = 2262687950400.

The previous prime is 5661665100037. The next prime is 5661665100059. The reversal of 5661665100050 is 500015661665.

It is a junction number, because it is equal to n+sod(n) for n = 5661665099980 and 5661665100007.

It is not an unprimeable number, because it can be changed into a prime (5661665100059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348337724 + ... + 348353976.

It is an arithmetic number, because the mean of its divisors is an integer number (219581234964).

Almost surely, 2^{5661665100050} is an apocalyptic number.

5661665100050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5661665100050 is a deficient number, since it is larger than the sum of its proper divisors (4878234178222).

5661665100050 is a wasteful number, since it uses less digits than its factorization.

5661665100050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21923 (or 21918 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 5661665100050 in words is "five trillion, six hundred sixty-one billion, six hundred sixty-five million, one hundred thousand, fifty".