16299547539 has 16 divisors (see below), whose sum is σ = 23710938624. Its totient is φ = 9877469600.

The previous prime is 16299547493. The next prime is 16299547541. The reversal of 16299547539 is 93574599261.

It is a cyclic number.

It is not a de Polignac number, because 16299547539 - 2²³ = 16291158931 is a prime.

It is a super-2 number, since 2×16299547539² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16299547339) 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, 389734 + ... + 429524.

It is an arithmetic number, because the mean of its divisors is an integer number (1481933664).

Almost surely, 2^16299547539 is an apocalyptic number.

16299547539 is a deficient number, since it is larger than the sum of its proper divisors (7411391085).

16299547539 is a wasteful number, since it uses less digits than its factorization.

16299547539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52218.

The product of its digits is 18370800, while the sum is 60.

The spelling of 16299547539 in words is "sixteen billion, two hundred ninety-nine million, five hundred forty-seven thousand, five hundred thirty-nine".