16648472704516 has 27 divisors (see below), whose sum is σ = 29191589762517. Its totient is φ = 8308049984640.

The previous prime is 16648472704483. The next prime is 16648472704531. The reversal of 16648472704516 is 61540727484661.

The square root of 16648472704516 is 4080254.

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., 12488830874116 + 4159641830400 = 3533954^2 + 2039520^2 .

It is a Duffinian number.

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, 4953426676 + ... + 4953430036.

Almost surely, 2^{16648472704516} is an apocalyptic number.

16648472704516 is the 4080254-th square number.

It is an amenable number.

16648472704516 is a deficient number, since it is larger than the sum of its proper divisors (12543117058001).

16648472704516 is an frugal number, since it uses more digits than its factorization.

16648472704516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7940 (or 3970 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 61.

The spelling of 16648472704516 in words is "sixteen trillion, six hundred forty-eight billion, four hundred seventy-two million, seven hundred four thousand, five hundred sixteen".