16804353474 has 48 divisors (see below), whose sum is σ = 38636069472. Its totient is φ = 5471178048.

The previous prime is 16804353463. The next prime is 16804353481. The reversal of 16804353474 is 47435340861.

16804353474 is a `hidden beast` number, since 1 + 6 + 8 + 0 + 43 + 534 + 74 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381159 + ... + 422954.

It is an arithmetic number, because the mean of its divisors is an integer number (804918114).

Almost surely, 2^16804353474 is an apocalyptic number.

16804353474 is an abundant number, since it is smaller than the sum of its proper divisors (21831715998).

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

16804353474 is an equidigital number, since it uses as much as digits as its factorization.

16804353474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804173 (or 804161 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 16804353474 in words is "sixteen billion, eight hundred four million, three hundred fifty-three thousand, four hundred seventy-four".