5066561646 has 24 divisors (see below), whose sum is σ = 11623289184. Its totient is φ = 1589509440.

The previous prime is 5066561627. The next prime is 5066561683. The reversal of 5066561646 is 6461656605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8278390 + ... + 8279001.

It is an arithmetic number, because the mean of its divisors is an integer number (484303716).

Almost surely, 2^5066561646 is an apocalyptic number.

5066561646 is an abundant number, since it is smaller than the sum of its proper divisors (6556727538).

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

5066561646 is a wasteful number, since it uses less digits than its factorization.

5066561646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16557416 (or 16557413 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 5066561646 is about 71179.7839698885. The cubic root of 5066561646 is about 1717.5304434514.

The spelling of 5066561646 in words is "five billion, sixty-six million, five hundred sixty-one thousand, six hundred forty-six".