461921656966 has 32 divisors (see below), whose sum is σ = 863913708288. Its totient is φ = 179956931040.

The previous prime is 461921656961. The next prime is 461921656979. The reversal of 461921656966 is 669656129164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461921656961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2289121 + ... + 2482723.

It is an arithmetic number, because the mean of its divisors is an integer number (26997303384).

Almost surely, 2^461921656966 is an apocalyptic number.

461921656966 is a deficient number, since it is larger than the sum of its proper divisors (401992051322).

461921656966 is a wasteful number, since it uses less digits than its factorization.

461921656966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209116.

The product of its digits is 25194240, while the sum is 61.

The spelling of 461921656966 in words is "four hundred sixty-one billion, nine hundred twenty-one million, six hundred fifty-six thousand, nine hundred sixty-six".