16473816 has 96 divisors (see below), whose sum is σ = 48494160. Its totient is φ = 5031936.

The previous prime is 16473797. The next prime is 16473851. The reversal of 16473816 is 61837461.

16473816 is a `hidden beast` number, since 1 + 647 + 3 + 8 + 1 + 6 = 666.

It is a super-2 number, since 2×16473816² = 542773227203712, which contains 22 as substring.

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

Its product of digits (24192) is a multiple of the sum of its prime divisors (378).

It is a congruent number.

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, 52476 + ... + 52788.

Almost surely, 2^16473816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16473816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24247080).

16473816 is an abundant number, since it is smaller than the sum of its proper divisors (32020344).

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

16473816 is a wasteful number, since it uses less digits than its factorization.

16473816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 378 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 16473816 is about 4058.7948950397. The cubic root of 16473816 is about 254.4474309332.

The spelling of 16473816 in words is "sixteen million, four hundred seventy-three thousand, eight hundred sixteen".