16145406 has 48 divisors (see below), whose sum is σ = 36691200. Its totient is φ = 5320728.

The previous prime is 16145369. The next prime is 16145411. The reversal of 16145406 is 60454161.

16145406 is a `hidden beast` number, since 1 + 614 + 5 + 40 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16145406.

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, 67435 + ... + 67673.

It is an arithmetic number, because the mean of its divisors is an integer number (764400).

Almost surely, 2^16145406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16145406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18345600).

16145406 is an abundant number, since it is smaller than the sum of its proper divisors (20545794).

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

16145406 is a wasteful number, since it uses less digits than its factorization.

16145406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 16145406 is about 4018.1346418456. The cubic root of 16145406 is about 252.7452428905.

Adding to 16145406 its reverse (60454161), we get a palindrome (76599567).

The spelling of 16145406 in words is "sixteen million, one hundred forty-five thousand, four hundred six".