163542988 has 36 divisors (see below), whose sum is σ = 336200592. Its totient is φ = 69400800.

The previous prime is 163542983. The next prime is 163543019. The reversal of 163542988 is 889245361.

It is not an unprimeable number, because it can be changed into a prime (163542983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16138 + ... + 24238.

Almost surely, 2^163542988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163542988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168100296).

163542988 is an abundant number, since it is smaller than the sum of its proper divisors (172657604).

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

163542988 is a wasteful number, since it uses less digits than its factorization.

163542988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8222 (or 8213 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 163542988 is about 12788.3927058876. The cubic root of 163542988 is about 546.8614496909.

The spelling of 163542988 in words is "one hundred sixty-three million, five hundred forty-two thousand, nine hundred eighty-eight".