163887798 has 8 divisors (see below), whose sum is σ = 327775608. Its totient is φ = 54629264.

The previous prime is 163887767. The next prime is 163887827. The reversal of 163887798 is 897788361.

It is a sphenic number, since it is the product of 3 distinct primes.

163887798 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13657311 + ... + 13657322.

It is an arithmetic number, because the mean of its divisors is an integer number (40971951).

Almost surely, 2^163887798 is an apocalyptic number.

163887798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163887798 is a wasteful number, since it uses less digits than its factorization.

163887798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27314638.

The product of its digits is 4064256, while the sum is 57.

The square root of 163887798 is about 12801.8669732192. The cubic root of 163887798 is about 547.2455096315.

The spelling of 163887798 in words is "one hundred sixty-three million, eight hundred eighty-seven thousand, seven hundred ninety-eight".