16073820 has 72 divisors (see below), whose sum is σ = 55726944. Its totient is φ = 3673728.

The previous prime is 16073819. The next prime is 16073833. The reversal of 16073820 is 2837061.

16073820 is a `hidden beast` number, since 1 + 607 + 38 + 20 = 666.

16073820 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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5119 + ... + 7638.

Almost surely, 2^16073820 is an apocalyptic number.

16073820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16073820 is an abundant number, since it is smaller than the sum of its proper divisors (39653124).

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

16073820 is a wasteful number, since it uses less digits than its factorization.

16073820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12779 (or 12774 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 16073820 is about 4009.2168811378. The cubic root of 16073820 is about 252.3711462282.

The spelling of 16073820 in words is "sixteen million, seventy-three thousand, eight hundred twenty".