16140468 has 24 divisors (see below), whose sum is σ = 37997568. Its totient is φ = 5332096.

The previous prime is 16140451. The next prime is 16140469. The reversal of 16140468 is 86404161.

16140468 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16140469) 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, 4596 + ... + 7307.

It is an arithmetic number, because the mean of its divisors is an integer number (1583232).

Almost surely, 2^16140468 is an apocalyptic number.

It is an amenable number.

16140468 is an abundant number, since it is smaller than the sum of its proper divisors (21857100).

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

16140468 is a wasteful number, since it uses less digits than its factorization.

16140468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12023 (or 12021 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 16140468 is about 4017.5201306278. The cubic root of 16140468 is about 252.7194732636.

The spelling of 16140468 in words is "sixteen million, one hundred forty thousand, four hundred sixty-eight".