16487272 has 8 divisors (see below), whose sum is σ = 30913650. Its totient is φ = 8243632.

The previous prime is 16487249. The next prime is 16487291. The reversal of 16487272 is 27278461.

It can be written as a sum of positive squares in only one way, i.e., 15888196 + 599076 = 3986^2 + 774^2 .

It is a tau number, because it is divible by the number of its divisors (8).

16487272 is a modest number, since divided by 7272 gives 1648 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030447 + ... + 1030462.

Almost surely, 2^16487272 is an apocalyptic number.

It is an amenable number.

16487272 is a deficient number, since it is larger than the sum of its proper divisors (14426378).

16487272 is a wasteful number, since it uses less digits than its factorization.

16487272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060915 (or 2060911 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 16487272 is about 4060.4521915668. The cubic root of 16487272 is about 254.5166905964.

The spelling of 16487272 in words is "sixteen million, four hundred eighty-seven thousand, two hundred seventy-two".