66631114 has 32 divisors (see below), whose sum is σ = 111393792. Its totient is φ = 29640000.

The previous prime is 66631099. The next prime is 66631133. The reversal of 66631114 is 41113666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348759 + ... + 348949.

It is an arithmetic number, because the mean of its divisors is an integer number (3481056).

Almost surely, 2^66631114 is an apocalyptic number.

66631114 is a deficient number, since it is larger than the sum of its proper divisors (44762678).

66631114 is a wasteful number, since it uses less digits than its factorization.

66631114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its digits is 2592, while the sum is 28.

The square root of 66631114 is about 8162.7883716289. The cubic root of 66631114 is about 405.4080407213.

It can be divided in two parts, 6663 and 1114, that added together give a palindrome (7777).

The spelling of 66631114 in words is "sixty-six million, six hundred thirty-one thousand, one hundred fourteen".