66463350 has 24 divisors (see below), whose sum is σ = 164829480. Its totient is φ = 17723520.

The previous prime is 66463289. The next prime is 66463379. The reversal of 66463350 is 5336466.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221395 + ... + 221694.

It is an arithmetic number, because the mean of its divisors is an integer number (6867895).

Almost surely, 2^66463350 is an apocalyptic number.

66463350 is an abundant number, since it is smaller than the sum of its proper divisors (98366130).

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

66463350 is a wasteful number, since it uses less digits than its factorization.

66463350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443104 (or 443099 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 66463350 is about 8152.5057497680. The cubic root of 66463350 is about 405.0675089415.

The spelling of 66463350 in words is "sixty-six million, four hundred sixty-three thousand, three hundred fifty".