16203164020 has 12 divisors (see below), whose sum is σ = 34026644484. Its totient is φ = 6481265600.

The previous prime is 16203164009. The next prime is 16203164051. The reversal of 16203164020 is 2046130261.

16203164020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9605176036 + 6597987984 = 98006^2 + 81228^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405079081 + ... + 405079120.

It is an arithmetic number, because the mean of its divisors is an integer number (2835553707).

Almost surely, 2^16203164020 is an apocalyptic number.

16203164020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16203164020 is an abundant number, since it is smaller than the sum of its proper divisors (17823480464).

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

16203164020 is a wasteful number, since it uses less digits than its factorization.

16203164020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810158210 (or 810158208 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 16203164020 its reverse (2046130261), we get a palindrome (18249294281).

The spelling of 16203164020 in words is "sixteen billion, two hundred three million, one hundred sixty-four thousand, twenty".