66132698 has 8 divisors (see below), whose sum is σ = 100109460. Its totient is φ = 32762880.

The previous prime is 66132697. The next prime is 66132701. The reversal of 66132698 is 89623166.

It can be written as a sum of positive squares in 2 ways, for example, as 65885689 + 247009 = 8117^2 + 497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (66132697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151463 + ... + 151898.

Almost surely, 2^66132698 is an apocalyptic number.

66132698 is a deficient number, since it is larger than the sum of its proper divisors (33976762).

66132698 is a wasteful number, since it uses less digits than its factorization.

66132698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303472.

The product of its digits is 93312, while the sum is 41.

The square root of 66132698 is about 8132.2013010009. The cubic root of 66132698 is about 404.3946613900.

The spelling of 66132698 in words is "sixty-six million, one hundred thirty-two thousand, six hundred ninety-eight".