16420607 has 12 divisors (see below), whose sum is σ = 19399248. Its totient is φ = 13615200.

The previous prime is 16420601. The next prime is 16420661. The reversal of 16420607 is 70602461.

It is not a de Polignac number, because 16420607 - 2⁶ = 16420543 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16420601) 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, 5507 + ... + 7947.

It is an arithmetic number, because the mean of its divisors is an integer number (1616604).

Almost surely, 2^16420607 is an apocalyptic number.

16420607 is a deficient number, since it is larger than the sum of its proper divisors (2978641).

16420607 is an equidigital number, since it uses as much as digits as its factorization.

16420607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 16420607 is about 4052.2348155061. The cubic root of 16420607 is about 254.1731877332.

The spelling of 16420607 in words is "sixteen million, four hundred twenty thousand, six hundred seven".