16436517804 has 72 divisors (see below), whose sum is σ = 49120649760. Its totient is φ = 4534209792.

The previous prime is 16436517793. The next prime is 16436517809. The reversal of 16436517804 is 40871563461.

16436517804 is a `hidden beast` number, since 16 + 43 + 6 + 517 + 80 + 4 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16436517804.

It is not an unprimeable number, because it can be changed into a prime (16436517809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1117249 + ... + 1131864.

Almost surely, 2^16436517804 is an apocalyptic number.

16436517804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16436517804 is an abundant number, since it is smaller than the sum of its proper divisors (32684131956).

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

16436517804 is a wasteful number, since it uses less digits than its factorization.

16436517804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249159 (or 2249154 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 16436517804 in words is "sixteen billion, four hundred thirty-six million, five hundred seventeen thousand, eight hundred four".