16420773 has 12 divisors (see below), whose sum is σ = 22274304. Its totient is φ = 10760400.

The previous prime is 16420751. The next prime is 16420777. The reversal of 16420773 is 37702461.

It is not a de Polignac number, because 16420773 - 2⁶ = 16420709 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16420773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16420777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10428 + ... + 11898.

It is an arithmetic number, because the mean of its divisors is an integer number (1856192).

Almost surely, 2^16420773 is an apocalyptic number.

It is an amenable number.

16420773 is a deficient number, since it is larger than the sum of its proper divisors (5853531).

16420773 is an equidigital number, since it uses as much as digits as its factorization.

16420773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 16420773 is about 4052.2552979791. The cubic root of 16420773 is about 254.1740442303.

The spelling of 16420773 in words is "sixteen million, four hundred twenty thousand, seven hundred seventy-three".