163488032880 has 80 divisors (see below), whose sum is σ = 510214442400. Its totient is φ = 43304203264.

The previous prime is 163488032879. The next prime is 163488032891. The reversal of 163488032880 is 88230884361.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×163488032880³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2250147 + ... + 2321666.

It is an arithmetic number, because the mean of its divisors is an integer number (6377680530).

Almost surely, 2^163488032880 is an apocalyptic number.

163488032880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163488032880 is an abundant number, since it is smaller than the sum of its proper divisors (346726409520).

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

163488032880 is a wasteful number, since it uses less digits than its factorization.

163488032880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571978 (or 4571972 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 163488032880 in words is "one hundred sixty-three billion, four hundred eighty-eight million, thirty-two thousand, eight hundred eighty".