163027720 has 16 divisors (see below), whose sum is σ = 366812460. Its totient is φ = 65211072.

The previous prime is 163027717. The next prime is 163027721. The reversal of 163027720 is 27720361.

163027720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 131285764 + 31741956 = 11458^2 + 5634^2 .

It is not an unprimeable number, because it can be changed into a prime (163027721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037807 + ... + 2037886.

Almost surely, 2^163027720 is an apocalyptic number.

163027720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163027720 is an abundant number, since it is smaller than the sum of its proper divisors (203784740).

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

163027720 is a wasteful number, since it uses less digits than its factorization.

163027720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075704 (or 4075700 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 163027720 is about 12768.2308876367. The cubic root of 163027720 is about 546.2865210254.

It can be divided in two parts, 1 and 63027720, that added together give a square (63027721 = 7939²).

The spelling of 163027720 in words is "one hundred sixty-three million, twenty-seven thousand, seven hundred twenty".