16299531027 has 24 divisors (see below), whose sum is σ = 25435889024. Its totient is φ = 9998411904.

The previous prime is 16299531011. The next prime is 16299531163. The reversal of 16299531027 is 72013599261.

It is a happy number.

16299531027 is a `hidden beast` number, since 1 + 6 + 2 + 99 + 531 + 0 + 27 = 666.

It is not a de Polignac number, because 16299531027 - 2⁴ = 16299531011 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16299531527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185923 + ... + 259164.

Almost surely, 2^16299531027 is an apocalyptic number.

16299531027 is a deficient number, since it is larger than the sum of its proper divisors (9136357997).

16299531027 is a wasteful number, since it uses less digits than its factorization.

16299531027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445419 (or 445416 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 16299531027 in words is "sixteen billion, two hundred ninety-nine million, five hundred thirty-one thousand, twenty-seven".