66132344 has 16 divisors (see below), whose sum is σ = 127023120. Its totient is φ = 32259520.

The previous prime is 66132343. The next prime is 66132373. The reversal of 66132344 is 44323166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66132343) 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, 100484 + ... + 101139.

It is an arithmetic number, because the mean of its divisors is an integer number (7938945).

Almost surely, 2^66132344 is an apocalyptic number.

It is an amenable number.

66132344 is a deficient number, since it is larger than the sum of its proper divisors (60890776).

66132344 is a wasteful number, since it uses less digits than its factorization.

66132344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201670 (or 201666 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

The square root of 66132344 is about 8132.1795356473. The cubic root of 66132344 is about 404.3939398308.

The spelling of 66132344 in words is "sixty-six million, one hundred thirty-two thousand, three hundred forty-four".