163040488 has 32 divisors (see below), whose sum is σ = 330107400. Its totient is φ = 75045888.

The previous prime is 163040473. The next prime is 163040497. The reversal of 163040488 is 884040361.

It can be written as a sum of positive squares in 4 ways, for example, as 126292644 + 36747844 = 11238^2 + 6062^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40620 + ... + 44452.

Almost surely, 2^163040488 is an apocalyptic number.

It is an amenable number.

163040488 is an abundant number, since it is smaller than the sum of its proper divisors (167066912).

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

163040488 is a wasteful number, since it uses less digits than its factorization.

163040488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261 (or 4257 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 163040488 is about 12768.7308688060. The cubic root of 163040488 is about 546.3007820035.

The spelling of 163040488 in words is "one hundred sixty-three million, forty thousand, four hundred eighty-eight".