163943287146 has 32 divisors (see below), whose sum is σ = 364338184320. Its totient is φ = 54644797152.

The previous prime is 163943287133. The next prime is 163943287169. The reversal of 163943287146 is 641782349361.

163943287146 is a `hidden beast` number, since 1 + 6 + 394 + 32 + 87 + 146 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 163943287092 and 163943287101.

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, 1069926 + ... + 1213518.

It is an arithmetic number, because the mean of its divisors is an integer number (11385568260).

Almost surely, 2^163943287146 is an apocalyptic number.

163943287146 is an abundant number, since it is smaller than the sum of its proper divisors (200394897174).

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

163943287146 is a wasteful number, since it uses less digits than its factorization.

163943287146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164747 (or 164741 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 163943287146 in words is "one hundred sixty-three billion, nine hundred forty-three million, two hundred eighty-seven thousand, one hundred forty-six".