16463880 has 192 divisors, whose sum is σ = 58968000. Its totient is φ = 3967488.

The previous prime is 16463879. The next prime is 16463897. The reversal of 16463880 is 8836461.

It is a happy number.

16463880 is a `hidden beast` number, since 1 + 646 + 3 + 8 + 8 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 198319 + ... + 198401.

It is an arithmetic number, because the mean of its divisors is an integer number (307125).

Almost surely, 2^16463880 is an apocalyptic number.

16463880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16463880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29484000).

16463880 is an abundant number, since it is smaller than the sum of its proper divisors (42504120).

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

16463880 is a wasteful number, since it uses less digits than its factorization.

16463880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 16463880 is about 4057.5707017870. The cubic root of 16463880 is about 254.3962649268.

The spelling of 16463880 in words is "sixteen million, four hundred sixty-three thousand, eight hundred eighty".