16539080 has 16 divisors (see below), whose sum is σ = 37213020. Its totient is φ = 6615616.

The previous prime is 16539059. The next prime is 16539091. The reversal of 16539080 is 8093561.

It can be written as a sum of positive squares in 2 ways, for example, as 16532356 + 6724 = 4066^2 + 82^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206699 + ... + 206778.

Almost surely, 2^16539080 is an apocalyptic number.

16539080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16539080 is an abundant number, since it is smaller than the sum of its proper divisors (20673940).

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

16539080 is a wasteful number, since it uses less digits than its factorization.

16539080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413488 (or 413484 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 16539080 is about 4066.8267728046. The cubic root of 16539080 is about 254.7830013460.

The spelling of 16539080 in words is "sixteen million, five hundred thirty-nine thousand, eighty".