6629497216 has 32 divisors (see below), whose sum is σ = 13217670000. Its totient is φ = 3312121344.

The previous prime is 6629497211. The next prime is 6629497243. The reversal of 6629497216 is 6127949266.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6629497211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146910 + ... + 186658.

Almost surely, 2^6629497216 is an apocalyptic number.

It is an amenable number.

6629497216 is a deficient number, since it is larger than the sum of its proper divisors (6588172784).

6629497216 is a wasteful number, since it uses less digits than its factorization.

6629497216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41066 (or 41054 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The square root of 6629497216 is about 81421.7244720351. The cubic root of 6629497216 is about 1878.5677578001.

The spelling of 6629497216 in words is "six billion, six hundred twenty-nine million, four hundred ninety-seven thousand, two hundred sixteen".