16450504416 has 36 divisors (see below), whose sum is σ = 46781122752. Its totient is φ = 5483501376.

The previous prime is 16450504409. The next prime is 16450504457. The reversal of 16450504416 is 61440505461.

16450504416 is a `hidden beast` number, since 1 + 64 + 50 + 504 + 41 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28559616 + ... + 28560191.

It is an arithmetic number, because the mean of its divisors is an integer number (1299475632).

Almost surely, 2^16450504416 is an apocalyptic number.

16450504416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16450504416 is an abundant number, since it is smaller than the sum of its proper divisors (30330618336).

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

16450504416 is a wasteful number, since it uses less digits than its factorization.

16450504416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57119823 (or 57119812 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 16450504416 in words is "sixteen billion, four hundred fifty million, five hundred four thousand, four hundred sixteen".