16601140 has 24 divisors (see below), whose sum is σ = 35011872. Its totient is φ = 6612000.

The previous prime is 16601131. The next prime is 16601141. The reversal of 16601140 is 4110661.

It is a happy number.

16601140 is digitally balanced in base 2, because in such base 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 (16601141) 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, 3367 + ... + 6673.

It is an arithmetic number, because the mean of its divisors is an integer number (1458828).

Almost surely, 2^16601140 is an apocalyptic number.

16601140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16601140 is an abundant number, since it is smaller than the sum of its proper divisors (18410732).

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

16601140 is a wasteful number, since it uses less digits than its factorization.

16601140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567 (or 3565 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 16601140 is about 4074.4496560885. The cubic root of 16601140 is about 255.1012797739.

It can be divided in two parts, 16 and 601140, that added together give a triangular number (601156 = T₁₀₉₆).

The spelling of 16601140 in words is "sixteen million, six hundred one thousand, one hundred forty".