7646996466 has 36 divisors (see below), whose sum is σ = 16669393182. Its totient is φ = 2533569024.

The previous prime is 7646996459. The next prime is 7646996503. The reversal of 7646996466 is 6646996467.

It can be written as a sum of positive squares in only one way, i.e., 7339520241 + 307476225 = 85671^2 + 17535^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 494386 + ... + 509618.

Almost surely, 2^7646996466 is an apocalyptic number.

7646996466 is an abundant number, since it is smaller than the sum of its proper divisors (9022396716).

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

7646996466 is a wasteful number, since it uses less digits than its factorization.

7646996466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15575 (or 15405 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 63.

The square root of 7646996466 is about 87447.1066759787. The cubic root of 7646996466 is about 1970.1394308108.

Subtracting from 7646996466 its reverse (6646996467), we obtain a palindrome (999999999).

The spelling of 7646996466 in words is "seven billion, six hundred forty-six million, nine hundred ninety-six thousand, four hundred sixty-six".