451172042543266 has 16 divisors (see below), whose sum is σ = 738283739308128. Its totient is φ = 205077585837600.

The previous prime is 451172042543197. The next prime is 451172042543317. The reversal of 451172042543266 is 662345240271154.

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, 23225880 + ... + 37970851.

It is an arithmetic number, because the mean of its divisors is an integer number (46142733706758).

Almost surely, 2^{451172042543266} is an apocalyptic number.

451172042543266 is a deficient number, since it is larger than the sum of its proper divisors (287111696764862).

451172042543266 is a wasteful number, since it uses less digits than its factorization.

451172042543266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61531857.

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 451172042543266 in words is "four hundred fifty-one trillion, one hundred seventy-two billion, forty-two million, five hundred forty-three thousand, two hundred sixty-six".