666462246 has 16 divisors (see below), whose sum is σ = 1363923264. Its totient is φ = 216987624.

The previous prime is 666462193. The next prime is 666462263. The reversal of 666462246 is 642264666.

666462246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 666462198 and 666462207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291336 + ... + 1291851.

It is an arithmetic number, because the mean of its divisors is an integer number (85245204).

Almost surely, 2^666462246 is an apocalyptic number.

666462246 is an abundant number, since it is smaller than the sum of its proper divisors (697461018).

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

666462246 is a wasteful number, since it uses less digits than its factorization.

666462246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583235.

The product of its digits is 497664, while the sum is 42.

The square root of 666462246 is about 25815.9300820249. The cubic root of 666462246 is about 873.4911666580.

The spelling of 666462246 in words is "six hundred sixty-six million, four hundred sixty-two thousand, two hundred forty-six".