66114872 has 16 divisors (see below), whose sum is σ = 125125560. Its totient is φ = 32748064.

The previous prime is 66114871. The next prime is 66114899. The reversal of 66114872 is 27841166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66114871) 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, 37763 + ... + 39474.

Almost surely, 2^66114872 is an apocalyptic number.

It is an amenable number.

66114872 is a deficient number, since it is larger than the sum of its proper divisors (59010688).

66114872 is a wasteful number, since it uses less digits than its factorization.

66114872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77350 (or 77346 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 66114872 is about 8131.1052139300. The cubic root of 66114872 is about 404.3583234047.

The spelling of 66114872 in words is "sixty-six million, one hundred fourteen thousand, eight hundred seventy-two".