16211531214 has 32 divisors (see below), whose sum is σ = 36344449440. Its totient is φ = 5356020096.

The previous prime is 16211531213. The next prime is 16211531249. The reversal of 16211531214 is 41213511261.

16211531214 is a `hidden beast` number, since 1 + 621 + 1 + 5 + 31 + 2 + 1 + 4 = 666.

16211531214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16211531213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1322277 + ... + 1334480.

It is an arithmetic number, because the mean of its divisors is an integer number (1135764045).

Almost surely, 2^16211531214 is an apocalyptic number.

16211531214 is an abundant number, since it is smaller than the sum of its proper divisors (20132918226).

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

16211531214 is a wasteful number, since it uses less digits than its factorization.

16211531214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656881 (or 2656875 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The spelling of 16211531214 in words is "sixteen billion, two hundred eleven million, five hundred thirty-one thousand, two hundred fourteen".