16602226403 has 6 divisors (see below), whose sum is σ = 19312794036. Its totient is φ = 14230479732.

The previous prime is 16602226397. The next prime is 16602226409. The reversal of 16602226403 is 30462220661.

It is an interprime number because it is at equal distance from previous prime (16602226397) and next prime (16602226409).

It is not a de Polignac number, because 16602226403 - 2¹⁴ = 16602210019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16602226403.

It is not an unprimeable number, because it can be changed into a prime (16602226409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169410425 + ... + 169410522.

It is an arithmetic number, because the mean of its divisors is an integer number (3218799006).

Almost surely, 2^16602226403 is an apocalyptic number.

16602226403 is a deficient number, since it is larger than the sum of its proper divisors (2710567633).

16602226403 is an equidigital number, since it uses as much as digits as its factorization.

16602226403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338820961 (or 338820954 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 16602226403 in words is "sixteen billion, six hundred two million, two hundred twenty-six thousand, four hundred three".