451661189226 has 32 divisors (see below), whose sum is σ = 972834287040. Its totient is φ = 138969020544.

The previous prime is 451661189171. The next prime is 451661189227. The reversal of 451661189226 is 622981166154.

It is not an unprimeable number, because it can be changed into a prime (451661189227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5799070 + ... + 5876438.

It is an arithmetic number, because the mean of its divisors is an integer number (30401071470).

Almost surely, 2^451661189226 is an apocalyptic number.

451661189226 is an abundant number, since it is smaller than the sum of its proper divisors (521173097814).

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

451661189226 is a wasteful number, since it uses less digits than its factorization.

451661189226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152230.

The product of its digits is 1244160, while the sum is 51.

The spelling of 451661189226 in words is "four hundred fifty-one billion, six hundred sixty-one million, one hundred eighty-nine thousand, two hundred twenty-six".