16535072 has 12 divisors (see below), whose sum is σ = 32553486. Its totient is φ = 8267520.

The previous prime is 16535053. The next prime is 16535093. The reversal of 16535072 is 27053561.

It can be written as a sum of positive squares in only one way, i.e., 15085456 + 1449616 = 3884^2 + 1204^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258329 + ... + 258392.

Almost surely, 2^16535072 is an apocalyptic number.

It is an amenable number.

16535072 is a deficient number, since it is larger than the sum of its proper divisors (16018414).

16535072 is an equidigital number, since it uses as much as digits as its factorization.

16535072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516731 (or 516723 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 16535072 is about 4066.3339754624. Note that the first 3 decimals coincide. The cubic root of 16535072 is about 254.7624187266.

The spelling of 16535072 in words is "sixteen million, five hundred thirty-five thousand, seventy-two".