16020565572 has 48 divisors (see below), whose sum is σ = 41004984384. Its totient is φ = 4827888000.

The previous prime is 16020565571. The next prime is 16020565577. The reversal of 16020565572 is 27556502061.

It is a self number, because there is not a number n which added to its sum of digits gives 16020565572.

It is not an unprimeable number, because it can be changed into a prime (16020565571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311379 + ... + 359162.

It is an arithmetic number, because the mean of its divisors is an integer number (854270508).

Almost surely, 2^16020565572 is an apocalyptic number.

16020565572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16020565572 is an abundant number, since it is smaller than the sum of its proper divisors (24984418812).

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

16020565572 is a wasteful number, since it uses less digits than its factorization.

16020565572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670740 (or 670738 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 16020565572 in words is "sixteen billion, twenty million, five hundred sixty-five thousand, five hundred seventy-two".