631674321466 has 16 divisors (see below), whose sum is σ = 980208316800. Its totient is φ = 304938749808.

The previous prime is 631674321463. The next prime is 631674321491. The reversal of 631674321466 is 664123476136.

It is not an unprimeable number, because it can be changed into a prime (631674321463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2806915 + ... + 3023593.

It is an arithmetic number, because the mean of its divisors is an integer number (61263019800).

Almost surely, 2^631674321466 is an apocalyptic number.

631674321466 is a deficient number, since it is larger than the sum of its proper divisors (348533995334).

631674321466 is a wasteful number, since it uses less digits than its factorization.

631674321466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266973.

The product of its digits is 2612736, while the sum is 49.

The spelling of 631674321466 in words is "six hundred thirty-one billion, six hundred seventy-four million, three hundred twenty-one thousand, four hundred sixty-six".