66131074 has 8 divisors (see below), whose sum is σ = 99231120. Its totient is φ = 33054036.

The previous prime is 66131041. The next prime is 66131081. The reversal of 66131074 is 47013166.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8397 + ... + 14239.

It is an arithmetic number, because the mean of its divisors is an integer number (12403890).

Almost surely, 2^66131074 is an apocalyptic number.

66131074 is a deficient number, since it is larger than the sum of its proper divisors (33100046).

66131074 is a wasteful number, since it uses less digits than its factorization.

66131074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11504.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 66131074 is about 8132.1014504247. The cubic root of 66131074 is about 404.3913511651.

The spelling of 66131074 in words is "sixty-six million, one hundred thirty-one thousand, seventy-four".