84660006549 has 8 divisors (see below), whose sum is σ = 113555937600. Its totient is φ = 56102039936.

The previous prime is 84660006539. The next prime is 84660006551. The reversal of 84660006549 is 94560006648.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84660006549 - 2⁵ = 84660006517 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 84660006498 and 84660006507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84660006539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84490524 + ... + 84491525.

It is an arithmetic number, because the mean of its divisors is an integer number (14194492200).

Almost surely, 2^84660006549 is an apocalyptic number.

It is an amenable number.

84660006549 is a deficient number, since it is larger than the sum of its proper divisors (28895931051).

84660006549 is a wasteful number, since it uses less digits than its factorization.

84660006549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168982219.

The product of its (nonzero) digits is 1244160, while the sum is 48.

Subtracting 84660006549 from its reverse (94560006648), we obtain a palindrome (9900000099).

The spelling of 84660006549 in words is "eighty-four billion, six hundred sixty million, six thousand, five hundred forty-nine".