451660331012 has 24 divisors (see below), whose sum is σ = 862281497952. Its totient is φ = 205295182400.

The previous prime is 451660330997. The next prime is 451660331041. The reversal of 451660331012 is 210133066154.

It is a self number, because there is not a number n which added to its sum of digits gives 451660331012.

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, 2205863 + ... + 2401905.

It is an arithmetic number, because the mean of its divisors is an integer number (35928395748).

Almost surely, 2^451660331012 is an apocalyptic number.

It is an amenable number.

451660331012 is a deficient number, since it is larger than the sum of its proper divisors (410621166940).

451660331012 is a wasteful number, since it uses less digits than its factorization.

451660331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248419 (or 248417 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 451660331012 its reverse (210133066154), we get a palindrome (661793397166).

The spelling of 451660331012 in words is "four hundred fifty-one billion, six hundred sixty million, three hundred thirty-one thousand, twelve".