16531048 has 16 divisors (see below), whose sum is σ = 31135680. Its totient is φ = 8228208.

The previous prime is 16531037. The next prime is 16531051. The reversal of 16531048 is 84013561.

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, 2736 + ... + 6367.

It is an arithmetic number, because the mean of its divisors is an integer number (1945980).

Almost surely, 2^16531048 is an apocalyptic number.

It is an amenable number.

16531048 is a deficient number, since it is larger than the sum of its proper divisors (14604632).

16531048 is a wasteful number, since it uses less digits than its factorization.

16531048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336 (or 9332 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 16531048 is about 4065.8391507781. The cubic root of 16531048 is about 254.7417505947.

It can be divided in two parts, 1653 and 1048, that added together give a triangular number (2701 = T₇₃).

The spelling of 16531048 in words is "sixteen million, five hundred thirty-one thousand, forty-eight".