16042620 has 96 divisors (see below), whose sum is σ = 49674240. Its totient is φ = 3836160.

The previous prime is 16042619. The next prime is 16042627. The reversal of 16042620 is 2624061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16042627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71829 + ... + 72051.

It is an arithmetic number, because the mean of its divisors is an integer number (517440).

Almost surely, 2^16042620 is an apocalyptic number.

16042620 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 16042620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24837120).

16042620 is an abundant number, since it is smaller than the sum of its proper divisors (33631620).

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

16042620 is a wasteful number, since it uses less digits than its factorization.

16042620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 16042620 is about 4005.3239569353. The cubic root of 16042620 is about 252.2077525889.

Adding to 16042620 its reverse (2624061), we get a palindrome (18666681).

It can be divided in two parts, 1604 and 2620, that added together give a palindrome (4224).

The spelling of 16042620 in words is "sixteen million, forty-two thousand, six hundred twenty".