16021526013 has 12 divisors (see below), whose sum is σ = 23144065308. Its totient is φ = 10680158400.

The previous prime is 16021525991. The next prime is 16021526057. The reversal of 16021526013 is 31062512061.

16021526013 is a `hidden beast` number, since 1 + 6 + 0 + 2 + 1 + 52 + 601 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1385849529 + 14635676484 = 37227^2 + 120978^2 .

It is not a de Polignac number, because 16021526013 - 2⁹ = 16021525501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16021526413) 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 11 ways as a sum of consecutive naturals, for example, 59113 + ... + 188513.

It is an arithmetic number, because the mean of its divisors is an integer number (1928672109).

Almost surely, 2^16021526013 is an apocalyptic number.

It is an amenable number.

16021526013 is a deficient number, since it is larger than the sum of its proper divisors (7122539295).

16021526013 is a wasteful number, since it uses less digits than its factorization.

16021526013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143164 (or 143161 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 16021526013 in words is "sixteen billion, twenty-one million, five hundred twenty-six thousand, thirteen".