6646122632 has 108 divisors (see below), whose sum is σ = 13854651615. Its totient is φ = 2988368640.

The previous prime is 6646122601. The next prime is 6646122641. The reversal of 6646122632 is 2362216466.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 2604469156 + 4041653476 = 51034^2 + 63574^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=57646.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 162100532 + ... + 162100572.

Almost surely, 2^6646122632 is an apocalyptic number.

It is an amenable number.

6646122632 is an abundant number, since it is smaller than the sum of its proper divisors (7208528983).

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

6646122632 is a wasteful number, since it uses less digits than its factorization.

6646122632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 99 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 6646122632 is about 81523.7550165594. The cubic root of 6646122632 is about 1880.1368008194.

The spelling of 6646122632 in words is "six billion, six hundred forty-six million, one hundred twenty-two thousand, six hundred thirty-two".