66096719449983 has 12 divisors (see below), whose sum is σ = 95474670618600. Its totient is φ = 44063726673456.

The previous prime is 66096719449963. The next prime is 66096719449991. The reversal of 66096719449983 is 38994491769066.

66096719449983 is a `hidden beast` number, since 6 + 6 + 0 + 96 + 7 + 1 + 9 + 449 + 9 + 83 = 666.

It is not a de Polignac number, because 66096719449983 - 2⁸ = 66096719449727 is a prime.

It is a super-2 number, since 2×66096719449983² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66096719449963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62190441 + ... + 63244322.

It is an arithmetic number, because the mean of its divisors is an integer number (7956222551550).

Almost surely, 2^{66096719449983} is an apocalyptic number.

66096719449983 is a deficient number, since it is larger than the sum of its proper divisors (29377951168617).

66096719449983 is a wasteful number, since it uses less digits than its factorization.

66096719449983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125493318 (or 125493315 counting only the distinct ones).

The product of its (nonzero) digits is 3809369088, while the sum is 81.

The spelling of 66096719449983 in words is "sixty-six trillion, ninety-six billion, seven hundred nineteen million, four hundred forty-nine thousand, nine hundred eighty-three".