16534872 has 48 divisors (see below), whose sum is σ = 46332000. Its totient is φ = 5320896.

The previous prime is 16534871. The next prime is 16534877. The reversal of 16534872 is 27843561.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16534871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1872 + ... + 6047.

It is an arithmetic number, because the mean of its divisors is an integer number (965250).

Almost surely, 2^16534872 is an apocalyptic number.

16534872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16534872 is an abundant number, since it is smaller than the sum of its proper divisors (29797128).

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

16534872 is a wasteful number, since it uses less digits than its factorization.

16534872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7960 (or 7953 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 16534872 is about 4066.3093832123. The cubic root of 16534872 is about 254.7613915627.

The spelling of 16534872 in words is "sixteen million, five hundred thirty-four thousand, eight hundred seventy-two".