163444340604056 has 16 divisors (see below), whose sum is σ = 307998129282000. Its totient is φ = 81311506128864.

The previous prime is 163444340604007. The next prime is 163444340604067. The reversal of 163444340604056 is 650406043444361.

It is a super-2 number, since 2×163444340604056² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163444340603995 and 163444340604013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51333019955 + ... + 51333023138.

It is an arithmetic number, because the mean of its divisors is an integer number (19249883080125).

Almost surely, 2^{163444340604056} is an apocalyptic number.

It is an amenable number.

163444340604056 is a deficient number, since it is larger than the sum of its proper divisors (144553788677944).

163444340604056 is a wasteful number, since it uses less digits than its factorization.

163444340604056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102666043298 (or 102666043294 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 50.

The spelling of 163444340604056 in words is "one hundred sixty-three trillion, four hundred forty-four billion, three hundred forty million, six hundred four thousand, fifty-six".