16435752804 has 81 divisors (see below), whose sum is σ = 43477612633. Its totient is φ = 5234744064.

The previous prime is 16435752733. The next prime is 16435752821. The reversal of 16435752804 is 40825753461.

The square root of 16435752804 is 128202.

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

16435752804 is a `hidden beast` number, since 16 + 4 + 357 + 5 + 280 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 316911204 + 16118841600 = 17802^2 + 126960^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16435752804.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17691412 + ... + 17692340.

Almost surely, 2^16435752804 is an apocalyptic number.

16435752804 is the 128202-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16435752804

16435752804 is an abundant number, since it is smaller than the sum of its proper divisors (27041859829).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16435752804 is an equidigital number, since it uses as much as digits as its factorization.

16435752804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 16435752804 in words is "sixteen billion, four hundred thirty-five million, seven hundred fifty-two thousand, eight hundred four".