4661646456 has 16 divisors (see below), whose sum is σ = 11654116200. Its totient is φ = 1553882144.

The previous prime is 4661646443. The next prime is 4661646461. The reversal of 4661646456 is 6546461664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97117611 + ... + 97117658.

Almost surely, 2^4661646456 is an apocalyptic number.

It is an amenable number.

4661646456 is an abundant number, since it is smaller than the sum of its proper divisors (6992469744).

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

4661646456 is a wasteful number, since it uses less digits than its factorization.

4661646456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194235278 (or 194235274 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 48.

The square root of 4661646456 is about 68276.2510394354. The cubic root of 4661646456 is about 1670.4998630357.

The spelling of 4661646456 in words is "four billion, six hundred sixty-one million, six hundred forty-six thousand, four hundred fifty-six".