66371014 has 4 divisors (see below), whose sum is σ = 99556524. Its totient is φ = 33185506.

The previous prime is 66370991. The next prime is 66371029. The reversal of 66371014 is 41017366.

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

It is a super-2 number, since 2×66371014² = 8810222998776392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 16592752 + ... + 16592755.

It is an arithmetic number, because the mean of its divisors is an integer number (24889131).

Almost surely, 2^66371014 is an apocalyptic number.

66371014 is a deficient number, since it is larger than the sum of its proper divisors (33185510).

66371014 is a wasteful number, since it uses less digits than its factorization.

66371014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33185509.

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

The square root of 66371014 is about 8146.8407373656. The cubic root of 66371014 is about 404.8798383551.

The spelling of 66371014 in words is "sixty-six million, three hundred seventy-one thousand, fourteen".