164456411604442 has 8 divisors (see below), whose sum is σ = 246685471797600. Its totient is φ = 82227921005244.

The previous prime is 164456411604427. The next prime is 164456411604451. The reversal of 164456411604442 is 244406114654461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×164456411604442² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164456411604442.

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 3 ways as a sum of consecutive naturals, for example, 141675942 + ... + 142832017.

It is an arithmetic number, because the mean of its divisors is an integer number (30835683974700).

Almost surely, 2^{164456411604442} is an apocalyptic number.

164456411604442 is a deficient number, since it is larger than the sum of its proper divisors (82229060193158).

164456411604442 is a wasteful number, since it uses less digits than its factorization.

164456411604442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284796980.

The product of its (nonzero) digits is 8847360, while the sum is 52.

The spelling of 164456411604442 in words is "one hundred sixty-four trillion, four hundred fifty-six billion, four hundred eleven million, six hundred four thousand, four hundred forty-two".