2167272612 has 120 divisors (see below), whose sum is σ = 5936426496. Its totient is φ = 688165632.

The previous prime is 2167272593. The next prime is 2167272617. The reversal of 2167272612 is 2162727612.

It is a happy number.

2167272612 is a `hidden beast` number, since 2 + 16 + 7 + 27 + 2 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2167272617) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2510893 + ... + 2511755.

Almost surely, 2^2167272612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2167272612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968213248).

2167272612 is an abundant number, since it is smaller than the sum of its proper divisors (3769153884).

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

2167272612 is a wasteful number, since it uses less digits than its factorization.

2167272612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1228 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 2167272612 is about 46553.9752545365. The cubic root of 2167272612 is about 1294.1099636052.

The spelling of 2167272612 in words is "two billion, one hundred sixty-seven million, two hundred seventy-two thousand, six hundred twelve".