6216132385 has 8 divisors (see below), whose sum is σ = 7641294696. Its totient is φ = 4851615360.

The previous prime is 6216132371. The next prime is 6216132389. The reversal of 6216132385 is 5832316126.

It can be written as a sum of positive squares in 4 ways, for example, as 1022912289 + 5193220096 = 31983^2 + 72064^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6216132385 - 2²³ = 6207743777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6216132389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15161094 + ... + 15161503.

It is an arithmetic number, because the mean of its divisors is an integer number (955161837).

Almost surely, 2^6216132385 is an apocalyptic number.

It is an amenable number.

6216132385 is a deficient number, since it is larger than the sum of its proper divisors (1425162311).

6216132385 is a wasteful number, since it uses less digits than its factorization.

6216132385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30322643.

The product of its digits is 51840, while the sum is 37.

The square root of 6216132385 is about 78842.4529362196. The cubic root of 6216132385 is about 1838.6825384171.

It can be divided in two parts, 6216 and 132385, that added together give a triangular number (138601 = T₅₂₆).

The spelling of 6216132385 in words is "six billion, two hundred sixteen million, one hundred thirty-two thousand, three hundred eighty-five".