16078140 has 72 divisors (see below), whose sum is σ = 52529568. Its totient is φ = 3957120.

The previous prime is 16078129. The next prime is 16078147. The reversal of 16078140 is 4187061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16078147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1096 + ... + 5775.

Almost surely, 2^16078140 is an apocalyptic number.

16078140 is a gapful number since it is divisible by the number (10) 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 16078140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26264784).

16078140 is an abundant number, since it is smaller than the sum of its proper divisors (36451428).

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

16078140 is a wasteful number, since it uses less digits than its factorization.

16078140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899 (or 6894 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 16078140 is about 4009.7556035250. The cubic root of 16078140 is about 252.3937532935.

The spelling of 16078140 in words is "sixteen million, seventy-eight thousand, one hundred forty".