16477616 has 40 divisors (see below), whose sum is σ = 33331200. Its totient is φ = 7882560.

The previous prime is 16477603. The next prime is 16477649. The reversal of 16477616 is 61677461.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 16477616.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68825 + ... + 69063.

It is an arithmetic number, because the mean of its divisors is an integer number (833280).

Almost surely, 2^16477616 is an apocalyptic number.

16477616 is a gapful number since it is divisible by the number (16) 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 16477616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16665600).

16477616 is an abundant number, since it is smaller than the sum of its proper divisors (16853584).

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

16477616 is a wasteful number, since it uses less digits than its factorization.

16477616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 411 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 16477616 is about 4059.2629872922. The cubic root of 16477616 is about 254.4669938141.

The spelling of 16477616 in words is "sixteen million, four hundred seventy-seven thousand, six hundred sixteen".