461066464256623 has 4 divisors (see below), whose sum is σ = 461084966888560. Its totient is φ = 461047961624688.

The previous prime is 461066464256617. The next prime is 461066464256627. The reversal of 461066464256623 is 326652464660164.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461066464256623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461066464256627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9251278590 + ... + 9251328427.

It is an arithmetic number, because the mean of its divisors is an integer number (115271241722140).

Almost surely, 2^{461066464256623} is an apocalyptic number.

461066464256623 is a deficient number, since it is larger than the sum of its proper divisors (18502631937).

461066464256623 is a wasteful number, since it uses less digits than its factorization.

461066464256623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18502631936.

The product of its (nonzero) digits is 179159040, while the sum is 61.

The spelling of 461066464256623 in words is "four hundred sixty-one trillion, sixty-six billion, four hundred sixty-four million, two hundred fifty-six thousand, six hundred twenty-three".