656416422 has 24 divisors (see below), whose sum is σ = 1426211280. Its totient is φ = 218193840.

The previous prime is 656416417. The next prime is 656416433. The reversal of 656416422 is 224614656.

656416422 is a `hidden beast` number, since 6 + 5 + 6 + 4 + 1 + 642 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44329 + ... + 57252.

It is an arithmetic number, because the mean of its divisors is an integer number (59425470).

Almost surely, 2^656416422 is an apocalyptic number.

656416422 is an abundant number, since it is smaller than the sum of its proper divisors (769794858).

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

656416422 is a wasteful number, since it uses less digits than its factorization.

656416422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101948 (or 101945 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 656416422 is about 25620.6249338302. The cubic root of 656416422 is about 869.0801137185.

The spelling of 656416422 in words is "six hundred fifty-six million, four hundred sixteen thousand, four hundred twenty-two".