16405068 has 96 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 4781056.

The previous prime is 16405057. The next prime is 16405079. The reversal of 16405068 is 86050461.

16405068 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16405057) and next prime (16405079).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278023 + ... + 278081.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 2^16405068 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 16405068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21772800).

16405068 is an abundant number, since it is smaller than the sum of its proper divisors (27140532).

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

16405068 is a wasteful number, since it uses less digits than its factorization.

16405068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 16405068 is about 4050.3170246291. The cubic root of 16405068 is about 254.0929868070.

The spelling of 16405068 in words is "sixteen million, four hundred five thousand, sixty-eight".