451566162163244 has 6 divisors (see below), whose sum is σ = 790240783785684. Its totient is φ = 225783081081620.

The previous prime is 451566162163217. The next prime is 451566162163247. The reversal of 451566162163244 is 442361261665154.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 451566162163244.

It is not an unprimeable number, because it can be changed into a prime (451566162163247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56445770270402 + ... + 56445770270409.

It is an arithmetic number, because the mean of its divisors is an integer number (131706797297614).

Almost surely, 2^{451566162163244} is an apocalyptic number.

It is an amenable number.

451566162163244 is a deficient number, since it is larger than the sum of its proper divisors (338674621622440).

451566162163244 is a wasteful number, since it uses less digits than its factorization.

451566162163244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112891540540815 (or 112891540540813 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 56.

The spelling of 451566162163244 in words is "four hundred fifty-one trillion, five hundred sixty-six billion, one hundred sixty-two million, one hundred sixty-three thousand, two hundred forty-four".