1660006016 has 16 divisors (see below), whose sum is σ = 3307043490. Its totient is φ = 830002944.

The previous prime is 1660006009. The next prime is 1660006043. The reversal of 1660006016 is 6106000661.

It can be written as a sum of positive squares in only one way, i.e., 1656164416 + 3841600 = 40696^2 + 1960^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6484271 + ... + 6484526.

Almost surely, 2^1660006016 is an apocalyptic number.

1660006016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1660006016 is a deficient number, since it is larger than the sum of its proper divisors (1647037474).

1660006016 is an equidigital number, since it uses as much as digits as its factorization.

1660006016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12968811 (or 12968799 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1660006016 is about 40743.1714033162. The cubic root of 1660006016 is about 1184.0495779094.

Adding to 1660006016 its reverse (6106000661), we get a palindrome (7766006677).

The spelling of 1660006016 in words is "one billion, six hundred sixty million, six thousand, sixteen".