66529882 has 4 divisors (see below), whose sum is σ = 99794826. Its totient is φ = 33264940.

The previous prime is 66529873. The next prime is 66529907. The reversal of 66529882 is 28892566.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50537881 + 15992001 = 7109^2 + 3999^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16632469 + ... + 16632472.

Almost surely, 2^66529882 is an apocalyptic number.

66529882 is a deficient number, since it is larger than the sum of its proper divisors (33264944).

66529882 is a wasteful number, since it uses less digits than its factorization.

66529882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33264943.

The product of its digits is 414720, while the sum is 46.

The square root of 66529882 is about 8156.5851923461. The cubic root of 66529882 is about 405.2026258338.

The spelling of 66529882 in words is "sixty-six million, five hundred twenty-nine thousand, eight hundred eighty-two".