16053620646 has 16 divisors (see below), whose sum is σ = 36693990144. Its totient is φ = 4586748744.

The previous prime is 16053620641. The next prime is 16053620651. The reversal of 16053620646 is 64602635061.

It is an interprime number because it is at equal distance from previous prime (16053620641) and next prime (16053620651).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16053620641) 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, 191114490 + ... + 191114573.

It is an arithmetic number, because the mean of its divisors is an integer number (2293374384).

Almost surely, 2^16053620646 is an apocalyptic number.

16053620646 is an abundant number, since it is smaller than the sum of its proper divisors (20640369498).

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

16053620646 is a wasteful number, since it uses less digits than its factorization.

16053620646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382229075.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 16053620646 in words is "sixteen billion, fifty-three million, six hundred twenty thousand, six hundred forty-six".