5665661610050 has 24 divisors (see below), whose sum is σ = 11348756026356. Its totient is φ = 2091936594240.

The previous prime is 5665661609989. The next prime is 5665661610067. The reversal of 5665661610050 is 500161665665.

It can be written as a sum of positive squares in 6 ways, for example, as 1933342859809 + 3732318750241 = 1390447^2 + 1931921^2 .

It is a super-2 number, since 2×5665661610050² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5665661609977 and 5665661610004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4358200589 + ... + 4358201888.

Almost surely, 2^{5665661610050} is an apocalyptic number.

5665661610050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5665661610050 is an abundant number, since it is smaller than the sum of its proper divisors (5683094416306).

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

5665661610050 is a wasteful number, since it uses less digits than its factorization.

5665661610050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8716402502 (or 8716402497 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 5665661610050 in words is "five trillion, six hundred sixty-five billion, six hundred sixty-one million, six hundred ten thousand, fifty".