16652340 has 72 divisors (see below), whose sum is σ = 51262848. Its totient is φ = 4374720.

The previous prime is 16652323. The next prime is 16652347. The reversal of 16652340 is 4325661.

16652340 is a `hidden beast` number, since 1 + 6 + 652 + 3 + 4 + 0 = 666.

16652340 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 (16652347) 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, 12129 + ... + 13431.

It is an arithmetic number, because the mean of its divisors is an integer number (711984).

Almost surely, 2^16652340 is an apocalyptic number.

16652340 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 16652340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25631424).

16652340 is an abundant number, since it is smaller than the sum of its proper divisors (34610508).

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

16652340 is a wasteful number, since it uses less digits than its factorization.

16652340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 16652340 is about 4080.7278762495. The cubic root of 16652340 is about 255.3632654175.

It can be divided in two parts, 1665 and 2340, that added together give a triangular number (4005 = T₈₉).

The spelling of 16652340 in words is "sixteen million, six hundred fifty-two thousand, three hundred forty".