2166454062 has 24 divisors (see below), whose sum is σ = 4941036360. Its totient is φ = 684143280.

The previous prime is 2166454061. The next prime is 2166454091. The reversal of 2166454062 is 2604546612.

2166454062 is a `hidden beast` number, since 2 + 1 + 6 + 645 + 4 + 0 + 6 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166454061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3166989 + ... + 3167672.

It is an arithmetic number, because the mean of its divisors is an integer number (205876515).

Almost surely, 2^2166454062 is an apocalyptic number.

2166454062 is an abundant number, since it is smaller than the sum of its proper divisors (2774582298).

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

2166454062 is a wasteful number, since it uses less digits than its factorization.

2166454062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334688 (or 6334685 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2166454062 is about 46545.1830160759. The cubic root of 2166454062 is about 1293.9470203905.

The spelling of 2166454062 in words is "two billion, one hundred sixty-six million, four hundred fifty-four thousand, sixty-two".