66466246 has 24 divisors (see below), whose sum is σ = 126522216. Its totient is φ = 25895520.

The previous prime is 66466223. The next prime is 66466249. The reversal of 66466246 is 64266466.

It is a junction number, because it is equal to n+sod(n) for n = 66466199 and 66466208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66466249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29751 + ... + 31906.

It is an arithmetic number, because the mean of its divisors is an integer number (5271759).

Almost surely, 2^66466246 is an apocalyptic number.

66466246 is a deficient number, since it is larger than the sum of its proper divisors (60055970).

66466246 is a wasteful number, since it uses less digits than its factorization.

66466246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61684 (or 61677 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

The square root of 66466246 is about 8152.6833619367. The cubic root of 66466246 is about 405.0733921762.

The spelling of 66466246 in words is "sixty-six million, four hundred sixty-six thousand, two hundred forty-six".