6655666156050 has 96 divisors (see below), whose sum is σ = 16789161585600. Its totient is φ = 1744414421760.

The previous prime is 6655666156049. The next prime is 6655666156133. The reversal of 6655666156050 is 506516665566.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45921096 + ... + 46065804.

It is an arithmetic number, because the mean of its divisors is an integer number (174887099850).

Almost surely, 2^{6655666156050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6655666156050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8394580792800).

6655666156050 is an abundant number, since it is smaller than the sum of its proper divisors (10133495429550).

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

6655666156050 is a wasteful number, since it uses less digits than its factorization.

6655666156050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149980 (or 149975 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 57.

The spelling of 6655666156050 in words is "six trillion, six hundred fifty-five billion, six hundred sixty-six million, one hundred fifty-six thousand, fifty".