16928402563396 has 27 divisors (see below), whose sum is σ = 29725952265597. Its totient is φ = 8435371582800.

The previous prime is 16928402563367. The next prime is 16928402563421. The reversal of 16928402563396 is 69336520482961.

The square root of 16928402563396 is 4114414.

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., 6812695092996 + 10115707470400 = 2610114^2 + 3180520^2 .

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, 2526246846 + ... + 2526253546.

Almost surely, 2^{16928402563396} is an apocalyptic number.

16928402563396 is the 4114414-th square number.

It is an amenable number.

16928402563396 is a deficient number, since it is larger than the sum of its proper divisors (12797549702201).

16928402563396 is an frugal number, since it uses more digits than its factorization.

16928402563396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14020 (or 7010 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 64.

The spelling of 16928402563396 in words is "sixteen trillion, nine hundred twenty-eight billion, four hundred two million, five hundred sixty-three thousand, three hundred ninety-six".