6555166126 has 4 divisors (see below), whose sum is σ = 9832749192. Its totient is φ = 3277583062.

The previous prime is 6555166103. The next prime is 6555166127. The reversal of 6555166126 is 6216615556.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555166127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1638791530 + ... + 1638791533.

It is an arithmetic number, because the mean of its divisors is an integer number (2458187298).

Almost surely, 2^6555166126 is an apocalyptic number.

6555166126 is a deficient number, since it is larger than the sum of its proper divisors (3277583066).

6555166126 is a wasteful number, since it uses less digits than its factorization.

6555166126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277583065.

The product of its digits is 324000, while the sum is 43.

The square root of 6555166126 is about 80963.9804233957. The cubic root of 6555166126 is about 1871.5204089495.

The spelling of 6555166126 in words is "six billion, five hundred fifty-five million, one hundred sixty-six thousand, one hundred twenty-six".