16537257248 has 54 divisors (see below), whose sum is σ = 33000458211. Its totient is φ = 8157691584.

The previous prime is 16537257227. The next prime is 16537257277. The reversal of 16537257248 is 84275273561.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 8268628624 + 8268628624 = 90932^2 + 90932^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=90932.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16537257196 and 16537257205.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 92386823 + ... + 92387001.

Almost surely, 2^16537257248 is an apocalyptic number.

It is an amenable number.

16537257248 is a deficient number, since it is larger than the sum of its proper divisors (16463200963).

16537257248 is an frugal number, since it uses more digits than its factorization.

16537257248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 308 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 50.

Multiplying 16537257248 by its sum of digits (50), we get a square (826862862400 = 909320²).

The spelling of 16537257248 in words is "sixteen billion, five hundred thirty-seven million, two hundred fifty-seven thousand, two hundred forty-eight".