630561777451466 has 8 divisors (see below), whose sum is σ = 1080963047059680. Its totient is φ = 270240761764908.

The previous prime is 630561777451447. The next prime is 630561777451481. The reversal of 630561777451466 is 664154777165036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 630561777451396 and 630561777451405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22520063480396 + ... + 22520063480423.

It is an arithmetic number, because the mean of its divisors is an integer number (135120380882460).

Almost surely, 2^{630561777451466} is an apocalyptic number.

630561777451466 is a deficient number, since it is larger than the sum of its proper divisors (450401269608214).

630561777451466 is a wasteful number, since it uses less digits than its factorization.

630561777451466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45040126960828.

The product of its (nonzero) digits is 533433600, while the sum is 68.

The spelling of 630561777451466 in words is "six hundred thirty trillion, five hundred sixty-one billion, seven hundred seventy-seven million, four hundred fifty-one thousand, four hundred sixty-six".