163543252136652 has 72 divisors (see below), whose sum is σ = 437775987304656. Its totient is φ = 51300972447744.

The previous prime is 163543252136617. The next prime is 163543252136689. The reversal of 163543252136652 is 256631252345361.

163543252136652 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 4 + 3 + 2 + 521 + 3 + 66 + 52 = 666.

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, 12804333 + ... + 22159364.

It is an arithmetic number, because the mean of its divisors is an integer number (6080222045898).

Almost surely, 2^{163543252136652} is an apocalyptic number.

163543252136652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163543252136652 is an abundant number, since it is smaller than the sum of its proper divisors (274232735168004).

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

163543252136652 is a wasteful number, since it uses less digits than its factorization.

163543252136652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34971367 (or 34971362 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 54.

The spelling of 163543252136652 in words is "one hundred sixty-three trillion, five hundred forty-three billion, two hundred fifty-two million, one hundred thirty-six thousand, six hundred fifty-two".