16525616704 has 21 divisors (see below), whose sum is σ = 32795061537. Its totient is φ = 8262294144.

The previous prime is 16525616687. The next prime is 16525616729. The reversal of 16525616704 is 40761652561.

The square root of 16525616704 is 128552.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4231242304 + 12294374400 = 65048^2 + 110880^2 .

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 1020382 + ... + 1036450.

It is an arithmetic number, because the mean of its divisors is an integer number (1561669597).

Almost surely, 2^16525616704 is an apocalyptic number.

16525616704 is the 128552-nd square number.

It is an amenable number.

16525616704 is a deficient number, since it is larger than the sum of its proper divisors (16269444833).

16525616704 is an frugal number, since it uses more digits than its factorization.

16525616704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32150 (or 16071 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 16525616704 in words is "sixteen billion, five hundred twenty-five million, six hundred sixteen thousand, seven hundred four".