163444530630346 has 32 divisors (see below), whose sum is σ = 280231099368192. Its totient is φ = 70037538036480.

The previous prime is 163444530630343. The next prime is 163444530630361. The reversal of 163444530630346 is 643036035444361.

It is a super-2 number, since 2×163444530630346² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163444530630293 and 163444530630302.

It is not an unprimeable number, because it can be changed into a prime (163444530630343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3824405490 + ... + 3824448226.

It is an arithmetic number, because the mean of its divisors is an integer number (8757221855256).

Almost surely, 2^{163444530630346} is an apocalyptic number.

163444530630346 is a deficient number, since it is larger than the sum of its proper divisors (116786568737846).

163444530630346 is a wasteful number, since it uses less digits than its factorization.

163444530630346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75814.

The product of its (nonzero) digits is 22394880, while the sum is 52.

The spelling of 163444530630346 in words is "one hundred sixty-three trillion, four hundred forty-four billion, five hundred thirty million, six hundred thirty thousand, three hundred forty-six".