163947468 has 48 divisors (see below), whose sum is σ = 403329024. Its totient is φ = 51755520.

The previous prime is 163947461. The next prime is 163947491. The reversal of 163947468 is 864749361.

163947468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163947468² = 53757544527222048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (163947461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12796 + ... + 22172.

It is an arithmetic number, because the mean of its divisors is an integer number (8402688).

Almost surely, 2^163947468 is an apocalyptic number.

It is an amenable number.

163947468 is an abundant number, since it is smaller than the sum of its proper divisors (239381556).

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

163947468 is a wasteful number, since it uses less digits than its factorization.

163947468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9462 (or 9460 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 163947468 is about 12804.1972805795. The cubic root of 163947468 is about 547.3119172138.

The spelling of 163947468 in words is "one hundred sixty-three million, nine hundred forty-seven thousand, four hundred sixty-eight".