660459462 has 32 divisors (see below), whose sum is σ = 1435135968. Its totient is φ = 201417216.

The previous prime is 660459461. The next prime is 660459491. The reversal of 660459462 is 264954066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660459461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28653 + ... + 46280.

It is an arithmetic number, because the mean of its divisors is an integer number (44847999).

Almost surely, 2^660459462 is an apocalyptic number.

660459462 is an abundant number, since it is smaller than the sum of its proper divisors (774676506).

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

660459462 is a wasteful number, since it uses less digits than its factorization.

660459462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75064.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 660459462 is about 25699.4058686188. The cubic root of 660459462 is about 870.8607599389.

It can be divided in two parts, 6604 and 59462, that added together give a palindrome (66066).

The spelling of 660459462 in words is "six hundred sixty million, four hundred fifty-nine thousand, four hundred sixty-two".