66886914 has 8 divisors (see below), whose sum is σ = 133773840. Its totient is φ = 22295636.

The previous prime is 66886909. The next prime is 66886979. The reversal of 66886914 is 41968866.

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

66886914 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5573904 + ... + 5573915.

It is an arithmetic number, because the mean of its divisors is an integer number (16721730).

Almost surely, 2^66886914 is an apocalyptic number.

66886914 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66886914 is a wasteful number, since it uses less digits than its factorization.

66886914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11147824.

The product of its digits is 497664, while the sum is 48.

The square root of 66886914 is about 8178.4420276725. The cubic root of 66886914 is about 405.9261717941.

The spelling of 66886914 in words is "sixty-six million, eight hundred eighty-six thousand, nine hundred fourteen".