6650150066550 has 72 divisors (see below), whose sum is σ = 18159633906960. Its totient is φ = 1744301649600.

The previous prime is 6650150066537. The next prime is 6650150066569. The reversal of 6650150066550 is 556600510566.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 6650150066496 and 6650150066505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 121104610 + ... + 121159509.

Almost surely, 2^{6650150066550} is an apocalyptic number.

6650150066550 is an abundant number, since it is smaller than the sum of its proper divisors (11509483840410).

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

6650150066550 is a wasteful number, since it uses less digits than its factorization.

6650150066550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242264198 (or 242264190 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 6650150066550 in words is "six trillion, six hundred fifty billion, one hundred fifty million, sixty-six thousand, five hundred fifty".