2127522816 has 132 divisors (see below), whose sum is σ = 6410909232. Its totient is φ = 678273024.

The previous prime is 2127522799. The next prime is 2127522823. The reversal of 2127522816 is 6182257212.

It is a happy number.

2127522816 is a `hidden beast` number, since 2 + 127 + 522 + 8 + 1 + 6 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206950 + ... + 216986.

Almost surely, 2^2127522816 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 2127522816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3205454616).

2127522816 is an abundant number, since it is smaller than the sum of its proper divisors (4283386416).

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

2127522816 is a wasteful number, since it uses less digits than its factorization.

2127522816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10086 (or 10065 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 2127522816 is about 46125.0779511536. The cubic root of 2127522816 is about 1286.1493682658.

The spelling of 2127522816 in words is "two billion, one hundred twenty-seven million, five hundred twenty-two thousand, eight hundred sixteen".