64922841668460 has 48 divisors (see below), whose sum is σ = 192477130596576. Its totient is φ = 16294360261632.

The previous prime is 64922841668431. The next prime is 64922841668473. The reversal of 64922841668460 is 6486614822946.

64922841668460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64922841668391 and 64922841668400.

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 15 ways as a sum of consecutive naturals, for example, 31824921367 + ... + 31824923406.

It is an arithmetic number, because the mean of its divisors is an integer number (4009940220762).

Almost surely, 2^{64922841668460} is an apocalyptic number.

64922841668460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64922841668460 is an abundant number, since it is smaller than the sum of its proper divisors (127554288928116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64922841668460 is a wasteful number, since it uses less digits than its factorization.

64922841668460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63649844802 (or 63649844800 counting only the distinct ones).

The product of its (nonzero) digits is 191102976, while the sum is 66.

The spelling of 64922841668460 in words is "sixty-four trillion, nine hundred twenty-two billion, eight hundred forty-one million, six hundred sixty-eight thousand, four hundred sixty".