164621707055464 has 32 divisors (see below), whose sum is σ = 326833792387200. Its totient is φ = 77466363477760.

The previous prime is 164621707055423. The next prime is 164621707055609. The reversal of 164621707055464 is 464550707126461.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 164621707055399 and 164621707055408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16943872 + ... + 24826159.

It is an arithmetic number, because the mean of its divisors is an integer number (10213556012100).

Almost surely, 2^{164621707055464} is an apocalyptic number.

It is an amenable number.

164621707055464 is a deficient number, since it is larger than the sum of its proper divisors (162212085331736).

164621707055464 is a wasteful number, since it uses less digits than its factorization.

164621707055464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41799033 (or 41799029 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 58.

The spelling of 164621707055464 in words is "one hundred sixty-four trillion, six hundred twenty-one billion, seven hundred seven million, fifty-five thousand, four hundred sixty-four".