451023196066 has 4 divisors (see below), whose sum is σ = 676534794102. Its totient is φ = 225511598032.

The previous prime is 451023196007. The next prime is 451023196073. The reversal of 451023196066 is 660691320154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 433128515625 + 17894680441 = 658125^2 + 133771^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112755799015 + ... + 112755799018.

Almost surely, 2^451023196066 is an apocalyptic number.

451023196066 is a deficient number, since it is larger than the sum of its proper divisors (225511598036).

451023196066 is a wasteful number, since it uses less digits than its factorization.

451023196066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225511598035.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 451023196066 in words is "four hundred fifty-one billion, twenty-three million, one hundred ninety-six thousand, sixty-six".