163878216 has 16 divisors (see below), whose sum is σ = 409695600. Its totient is φ = 54626064.

The previous prime is 163878199. The next prime is 163878227. The reversal of 163878216 is 612878361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3414106 + ... + 3414153.

It is an arithmetic number, because the mean of its divisors is an integer number (25605975).

Almost surely, 2^163878216 is an apocalyptic number.

It is an amenable number.

163878216 is an abundant number, since it is smaller than the sum of its proper divisors (245817384).

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

163878216 is a wasteful number, since it uses less digits than its factorization.

163878216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6828268 (or 6828264 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 163878216 is about 12801.4927254598. The cubic root of 163878216 is about 547.2348441869.

The spelling of 163878216 in words is "one hundred sixty-three million, eight hundred seventy-eight thousand, two hundred sixteen".