16488231 has 8 divisors (see below), whose sum is σ = 22312704. Its totient is φ = 10827960.

The previous prime is 16488223. The next prime is 16488233. The reversal of 16488231 is 13288461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16488231 - 2³ = 16488223 is a prime.

It is a super-2 number, since 2×16488231² = 543723523018722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16488192 and 16488201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16488233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40815 + ... + 41216.

It is an arithmetic number, because the mean of its divisors is an integer number (2789088).

Almost surely, 2^16488231 is an apocalyptic number.

16488231 is a deficient number, since it is larger than the sum of its proper divisors (5824473).

16488231 is an equidigital number, since it uses as much as digits as its factorization.

16488231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82101.

The product of its digits is 9216, while the sum is 33.

The square root of 16488231 is about 4060.5702801454. The cubic root of 16488231 is about 254.5216252469.

The spelling of 16488231 in words is "sixteen million, four hundred eighty-eight thousand, two hundred thirty-one".