163272540 has 48 divisors (see below), whose sum is σ = 458220672. Its totient is φ = 43438656.

The previous prime is 163272503. The next prime is 163272541. The reversal of 163272540 is 45272361.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 163272498 and 163272507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163272541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25107 + ... + 30933.

It is an arithmetic number, because the mean of its divisors is an integer number (9546264).

Almost surely, 2^163272540 is an apocalyptic number.

163272540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163272540 is an abundant number, since it is smaller than the sum of its proper divisors (294948132).

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

163272540 is a wasteful number, since it uses less digits than its factorization.

163272540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306 (or 6304 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 163272540 is about 12777.8143670974. The cubic root of 163272540 is about 546.5598385013.

The spelling of 163272540 in words is "one hundred sixty-three million, two hundred seventy-two thousand, five hundred forty".