66632614 has 4 divisors (see below), whose sum is σ = 99948924. Its totient is φ = 33316306.

The previous prime is 66632611. The next prime is 66632659. The reversal of 66632614 is 41623666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66632614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66632611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16658152 + ... + 16658155.

It is an arithmetic number, because the mean of its divisors is an integer number (24987231).

Almost surely, 2^66632614 is an apocalyptic number.

66632614 is a deficient number, since it is larger than the sum of its proper divisors (33316310).

66632614 is a wasteful number, since it uses less digits than its factorization.

66632614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33316309.

The product of its digits is 31104, while the sum is 34.

The square root of 66632614 is about 8162.8802514799. The cubic root of 66632614 is about 405.4110828811.

The spelling of 66632614 in words is "sixty-six million, six hundred thirty-two thousand, six hundred fourteen".