163546514545452 has 96 divisors (see below), whose sum is σ = 415306161930240. Its totient is φ = 49882333547520.

The previous prime is 163546514545433. The next prime is 163546514545457. The reversal of 163546514545452 is 254545415645361.

It is not an unprimeable number, because it can be changed into a prime (163546514545457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 897877 + ... + 18107987.

It is an arithmetic number, because the mean of its divisors is an integer number (4326105853440).

Almost surely, 2^{163546514545452} is an apocalyptic number.

163546514545452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163546514545452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207653080965120).

163546514545452 is an abundant number, since it is smaller than the sum of its proper divisors (251759647384788).

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

163546514545452 is a wasteful number, since it uses less digits than its factorization.

163546514545452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17211431 (or 17211429 counting only the distinct ones).

The product of its digits is 172800000, while the sum is 60.

The spelling of 163546514545452 in words is "one hundred sixty-three trillion, five hundred forty-six billion, five hundred fourteen million, five hundred forty-five thousand, four hundred fifty-two".