66527696 has 10 divisors (see below), whose sum is σ = 128897442. Its totient is φ = 33263840.

The previous prime is 66527687. The next prime is 66527719. The reversal of 66527696 is 69672566.

It can be written as a sum of positive squares in only one way, i.e., 45697600 + 20830096 = 6760^2 + 4564^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66527696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078975 + ... + 2079006.

Almost surely, 2^66527696 is an apocalyptic number.

It is an amenable number.

66527696 is a deficient number, since it is larger than the sum of its proper divisors (62369746).

66527696 is a wasteful number, since it uses less digits than its factorization.

66527696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157989 (or 4157983 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 66527696 is about 8156.4511890895. The cubic root of 66527696 is about 405.1981878148.

The spelling of 66527696 in words is "sixty-six million, five hundred twenty-seven thousand, six hundred ninety-six".