66910614 has 8 divisors (see below), whose sum is σ = 133821240. Its totient is φ = 22303536.

The previous prime is 66910607. The next prime is 66910633. The reversal of 66910614 is 41601966.

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

66910614 is an admirable number.

It is a congruent 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, 5575879 + ... + 5575890.

It is an arithmetic number, because the mean of its divisors is an integer number (16727655).

Almost surely, 2^66910614 is an apocalyptic number.

66910614 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.

66910614 is a wasteful number, since it uses less digits than its factorization.

66910614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11151774.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 66910614 is about 8179.8908305674. The cubic root of 66910614 is about 405.9741099913.

The spelling of 66910614 in words is "sixty-six million, nine hundred ten thousand, six hundred fourteen".