16068420 has 36 divisors (see below), whose sum is σ = 48741420. Its totient is φ = 4284864.

The previous prime is 16068401. The next prime is 16068427. The reversal of 16068420 is 2486061.

It can be written as a sum of positive squares in 2 ways, for example, as 5531904 + 10536516 = 2352^2 + 3246^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (16068427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44455 + ... + 44814.

Almost surely, 2^16068420 is an apocalyptic number.

16068420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16068420 is an abundant number, since it is smaller than the sum of its proper divisors (32673000).

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

16068420 is a wasteful number, since it uses less digits than its factorization.

16068420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89284 (or 89279 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 16068420 is about 4008.5433763401. The cubic root of 16068420 is about 252.3428816998.

The spelling of 16068420 in words is "sixteen million, sixty-eight thousand, four hundred twenty".