16140168 has 64 divisors (see below), whose sum is σ = 48916800. Its totient is φ = 4890240.

The previous prime is 16140151. The next prime is 16140193. The reversal of 16140168 is 86104161.

16140168 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 Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021 + ... + 5772.

It is an arithmetic number, because the mean of its divisors is an integer number (764325).

Almost surely, 2^16140168 is an apocalyptic number.

16140168 is a gapful number since it is divisible by the number (18) 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 16140168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24458400).

16140168 is an abundant number, since it is smaller than the sum of its proper divisors (32776632).

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

16140168 is a wasteful number, since it uses less digits than its factorization.

16140168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819 (or 6809 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 16140168 is about 4017.4827939893. The cubic root of 16140168 is about 252.7179075033.

The spelling of 16140168 in words is "sixteen million, one hundred forty thousand, one hundred sixty-eight".