5661665505150 has 48 divisors (see below), whose sum is σ = 14148113177088. Its totient is φ = 1498252444000.

The previous prime is 5661665505143. The next prime is 5661665505161. The reversal of 5661665505150 is 515055661665.

It is a junction number, because it is equal to n+sod(n) for n = 5661665505093 and 5661665505102.

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, 144043086 + ... + 144082385.

It is an arithmetic number, because the mean of its divisors is an integer number (294752357856).

Almost surely, 2^{5661665505150} is an apocalyptic number.

5661665505150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5661665505150 is an abundant number, since it is smaller than the sum of its proper divisors (8486447671938).

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

5661665505150 is a wasteful number, since it uses less digits than its factorization.

5661665505150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288125617 (or 288125612 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 5661665505150 in words is "five trillion, six hundred sixty-one billion, six hundred sixty-five million, five hundred five thousand, one hundred fifty".