163537743480 has 64 divisors (see below), whose sum is σ = 506439475200. Its totient is φ = 42203287680.

The previous prime is 163537743461. The next prime is 163537743493. The reversal of 163537743480 is 84347735361.

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, 21977160 + ... + 21984599.

It is an arithmetic number, because the mean of its divisors is an integer number (7913116800).

Almost surely, 2^163537743480 is an apocalyptic number.

163537743480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163537743480 is an abundant number, since it is smaller than the sum of its proper divisors (342901731720).

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

163537743480 is a wasteful number, since it uses less digits than its factorization.

163537743480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43961804 (or 43961800 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 163537743480 in words is "one hundred sixty-three billion, five hundred thirty-seven million, seven hundred forty-three thousand, four hundred eighty".