16242529521 has 16 divisors (see below), whose sum is σ = 22933205568. Its totient is φ = 10190246400.

The previous prime is 16242529519. The next prime is 16242529603. The reversal of 16242529521 is 12592524261.

It is not a de Polignac number, because 16242529521 - 2¹ = 16242529519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16242529521.

It is not an unprimeable number, because it can be changed into a prime (16242528521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841701 + ... + 860781.

It is an arithmetic number, because the mean of its divisors is an integer number (1433325348).

Almost surely, 2^16242529521 is an apocalyptic number.

It is an amenable number.

16242529521 is a deficient number, since it is larger than the sum of its proper divisors (6690676047).

16242529521 is a wasteful number, since it uses less digits than its factorization.

16242529521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35792.

The product of its digits is 86400, while the sum is 39.

The spelling of 16242529521 in words is "sixteen billion, two hundred forty-two million, five hundred twenty-nine thousand, five hundred twenty-one".