16141820 has 48 divisors (see below), whose sum is σ = 35060256. Its totient is φ = 6240000.

The previous prime is 16141819. The next prime is 16141831. The reversal of 16141820 is 2814161.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 123155 + ... + 123285.

It is an arithmetic number, because the mean of its divisors is an integer number (730422).

Almost surely, 2^16141820 is an apocalyptic number.

16141820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16141820 is an abundant number, since it is smaller than the sum of its proper divisors (18918436).

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

16141820 is a wasteful number, since it uses less digits than its factorization.

16141820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 16141820 is about 4017.6883901069. The cubic root of 16141820 is about 252.7265293825.

Adding to 16141820 its reverse (2814161), we get a palindrome (18955981).

It can be divided in two parts, 16141 and 820, that added together give a palindrome (16961).

The spelling of 16141820 in words is "sixteen million, one hundred forty-one thousand, eight hundred twenty".