6637214016 has 42 divisors (see below), whose sum is σ = 19024377242. Its totient is φ = 2212404480.

The previous prime is 6637213997. The next prime is 6637214033. The reversal of 6637214016 is 6104127366.

It is a happy number.

6637214016 is a `hidden beast` number, since 6 + 637 + 2 + 1 + 4 + 0 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5700854016 + 936360000 = 75504^2 + 30600^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5760895 + ... + 5762046.

Almost surely, 2^6637214016 is an apocalyptic number.

It is an amenable number.

6637214016 is an abundant number, since it is smaller than the sum of its proper divisors (12387163226).

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

6637214016 is a wasteful number, since it uses less digits than its factorization.

6637214016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11522959 (or 11522946 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 6637214016 is about 81469.0985343523. The cubic root of 6637214016 is about 1879.2963656233.

The spelling of 6637214016 in words is "six billion, six hundred thirty-seven million, two hundred fourteen thousand, sixteen".