66088897 has 16 divisors (see below), whose sum is σ = 81136000. Its totient is φ = 53660880.

The previous prime is 66088879. The next prime is 66088901. The reversal of 66088897 is 79888066.

It is not a de Polignac number, because 66088897 - 2¹¹ = 66086849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66088097) 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, 1447 + ... + 11587.

It is an arithmetic number, because the mean of its divisors is an integer number (5071000).

Almost surely, 2^66088897 is an apocalyptic number.

It is an amenable number.

66088897 is a deficient number, since it is larger than the sum of its proper divisors (15047103).

66088897 is a wasteful number, since it uses less digits than its factorization.

66088897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181 (or 10167 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 66088897 is about 8129.5077956787. The cubic root of 66088897 is about 404.3053621323.

The spelling of 66088897 in words is "sixty-six million, eighty-eight thousand, eight hundred ninety-seven".