163001040 has 40 divisors (see below), whose sum is σ = 505303968. Its totient is φ = 43466880.

The previous prime is 163001039. The next prime is 163001051. The reversal of 163001040 is 40100361.

163001040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 339346 + ... + 339825.

Almost surely, 2^163001040 is an apocalyptic number.

163001040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163001040 is an abundant number, since it is smaller than the sum of its proper divisors (342302928).

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

163001040 is a wasteful number, since it uses less digits than its factorization.

163001040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679187 (or 679181 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 163001040 is about 12767.1860642821. The cubic root of 163001040 is about 546.2567188962.

The spelling of 163001040 in words is "one hundred sixty-three million, one thousand, forty".