657422466 has 8 divisors (see below), whose sum is σ = 1314844944. Its totient is φ = 219140820.

The previous prime is 657422461. The next prime is 657422471. The reversal of 657422466 is 664224756.

657422466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (657422461) and next prime (657422471).

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

657422466 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (657422461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54785200 + ... + 54785211.

It is an arithmetic number, because the mean of its divisors is an integer number (164355618).

Almost surely, 2^657422466 is an apocalyptic number.

657422466 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.

657422466 is a wasteful number, since it uses less digits than its factorization.

657422466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109570416.

The product of its digits is 483840, while the sum is 42.

The square root of 657422466 is about 25640.2508958083. The cubic root of 657422466 is about 869.5238800575.

The spelling of 657422466 in words is "six hundred fifty-seven million, four hundred twenty-two thousand, four hundred sixty-six".