2118366432 has 360 divisors, whose sum is σ = 7810769736. Its totient is φ = 558254592.

The previous prime is 2118366427. The next prime is 2118366433. The reversal of 2118366432 is 2346638112.

2118366432 is a `hidden beast` number, since 2 + 1 + 1 + 8 + 3 + 6 + 643 + 2 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118366433) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1650463 + ... + 1651745.

Almost surely, 2^2118366432 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 2118366432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3905384868).

2118366432 is an abundant number, since it is smaller than the sum of its proper divisors (5692403304).

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

2118366432 is a wasteful number, since it uses less digits than its factorization.

2118366432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1308 counting only the distinct ones).

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

The square root of 2118366432 is about 46025.7148993908. The cubic root of 2118366432 is about 1284.3016148811.

The spelling of 2118366432 in words is "two billion, one hundred eighteen million, three hundred sixty-six thousand, four hundred thirty-two".