66214431162 has 96 divisors (see below), whose sum is σ = 158976245376. Its totient is φ = 19749340800.

The previous prime is 66214431109. The next prime is 66214431187. The reversal of 66214431162 is 26113441266.

66214431162 is a `hidden beast` number, since 6 + 6 + 214 + 431 + 1 + 6 + 2 = 666.

66214431162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9176268 + ... + 9183480.

It is an arithmetic number, because the mean of its divisors is an integer number (1656002556).

Almost surely, 2^66214431162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66214431162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79488122688).

66214431162 is an abundant number, since it is smaller than the sum of its proper divisors (92761814214).

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

66214431162 is a wasteful number, since it uses less digits than its factorization.

66214431162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7956 (or 7953 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 66214431162 in words is "sixty-six billion, two hundred fourteen million, four hundred thirty-one thousand, one hundred sixty-two".