163743376608 has 144 divisors (see below), whose sum is σ = 551876008320. Its totient is φ = 46783806336.

The previous prime is 163743376579. The next prime is 163743376631. The reversal of 163743376608 is 806673347361.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1449678 + ... + 1558541.

It is an arithmetic number, because the mean of its divisors is an integer number (3832472280).

Almost surely, 2^163743376608 is an apocalyptic number.

163743376608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

163743376608 is an abundant number, since it is smaller than the sum of its proper divisors (388132631712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163743376608 is an equidigital number, since it uses as much as digits as its factorization.

163743376608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008251 (or 3008231 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 163743376608 in words is "one hundred sixty-three billion, seven hundred forty-three million, three hundred seventy-six thousand, six hundred eight".