6216139332 has 144 divisors (see below), whose sum is σ = 18039840000. Its totient is φ = 1788853248.

The previous prime is 6216139327. The next prime is 6216139343. The reversal of 6216139332 is 2339316126.

It is a happy number.

6216139332 is a `hidden beast` number, since 6 + 2 + 1 + 613 + 9 + 3 + 32 = 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 an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 698044 + ... + 706892.

Almost surely, 2^6216139332 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 6216139332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9019920000).

6216139332 is an abundant number, since it is smaller than the sum of its proper divisors (11823700668).

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

6216139332 is a wasteful number, since it uses less digits than its factorization.

6216139332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970 (or 8965 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 6216139332 is about 78842.4969924215. The cubic root of 6216139332 is about 1838.6832233727.

The spelling of 6216139332 in words is "six billion, two hundred sixteen million, one hundred thirty-nine thousand, three hundred thirty-two".