16105326420 has 24 divisors (see below), whose sum is σ = 45094914144. Its totient is φ = 4294753696.

The previous prime is 16105326401. The next prime is 16105326427. The reversal of 16105326420 is 2462350161.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16105326427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134210994 + ... + 134211113.

It is an arithmetic number, because the mean of its divisors is an integer number (1878954756).

Almost surely, 2^16105326420 is an apocalyptic number.

16105326420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16105326420 is an abundant number, since it is smaller than the sum of its proper divisors (28989587724).

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

16105326420 is a wasteful number, since it uses less digits than its factorization.

16105326420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268422119 (or 268422117 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 16105326420 its reverse (2462350161), we get a palindrome (18567676581).

The spelling of 16105326420 in words is "sixteen billion, one hundred five million, three hundred twenty-six thousand, four hundred twenty".