66468827097 has 16 divisors (see below), whose sum is σ = 98478794880. Its totient is φ = 44309645136.

The previous prime is 66468827093. The next prime is 66468827101. The reversal of 66468827097 is 79072886466.

66468827097 is a `hidden beast` number, since 6 + 6 + 468 + 82 + 7 + 0 + 97 = 666.

It is an interprime number because it is at equal distance from previous prime (66468827093) and next prime (66468827101).

It is not a de Polignac number, because 66468827097 - 2² = 66468827093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66468827093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388063 + ... + 532475.

It is an arithmetic number, because the mean of its divisors is an integer number (6154924680).

Almost surely, 2^66468827097 is an apocalyptic number.

It is an amenable number.

66468827097 is a deficient number, since it is larger than the sum of its proper divisors (32009967783).

66468827097 is a wasteful number, since it uses less digits than its factorization.

66468827097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161469 (or 161463 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 66468827097 in words is "sixty-six billion, four hundred sixty-eight million, eight hundred twenty-seven thousand, ninety-seven".