16411648 has 88 divisors (see below), whose sum is σ = 37730304. Its totient is φ = 7065600.

The previous prime is 16411643. The next prime is 16411663. The reversal of 16411648 is 84611461.

It is a tau number, because it is divible by the number of its divisors (88).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (16411643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349161 + ... + 349207.

Almost surely, 2^16411648 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 16411648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18865152).

16411648 is an abundant number, since it is smaller than the sum of its proper divisors (21318656).

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

16411648 is a wasteful number, since it uses less digits than its factorization.

16411648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 91 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 16411648 is about 4051.1292252902. The cubic root of 16411648 is about 254.1269541227.

The spelling of 16411648 in words is "sixteen million, four hundred eleven thousand, six hundred forty-eight".