65689662 has 8 divisors (see below), whose sum is σ = 131379336. Its totient is φ = 21896552.

The previous prime is 65689639. The next prime is 65689699. The reversal of 65689662 is 26698656.

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

65689662 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, 5474133 + ... + 5474144.

It is an arithmetic number, because the mean of its divisors is an integer number (16422417).

Almost surely, 2^65689662 is an apocalyptic number.

65689662 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.

65689662 is a wasteful number, since it uses less digits than its factorization.

65689662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10948282.

The product of its digits is 933120, while the sum is 48.

The square root of 65689662 is about 8104.9159156650. The cubic root of 65689662 is about 403.4895974126.

The spelling of 65689662 in words is "sixty-five million, six hundred eighty-nine thousand, six hundred sixty-two".