164406622665662 has 64 divisors (see below), whose sum is σ = 287341949368320. Its totient is φ = 69899656869504.

The previous prime is 164406622665653. The next prime is 164406622665709. The reversal of 164406622665662 is 266566226604461.

It is a super-3 number, since 3×164406622665662³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164406622665595 and 164406622665604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12616613 + ... + 22090544.

It is an arithmetic number, because the mean of its divisors is an integer number (4489717958880).

Almost surely, 2^{164406622665662} is an apocalyptic number.

164406622665662 is a deficient number, since it is larger than the sum of its proper divisors (122935326702658).

164406622665662 is a wasteful number, since it uses less digits than its factorization.

164406622665662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34707457.

The product of its (nonzero) digits is 179159040, while the sum is 62.

The spelling of 164406622665662 in words is "one hundred sixty-four trillion, four hundred six billion, six hundred twenty-two million, six hundred sixty-five thousand, six hundred sixty-two".