5616651066 has 64 divisors (see below), whose sum is σ = 12812782080. Its totient is φ = 1627128000.

The previous prime is 5616651017. The next prime is 5616651121. The reversal of 5616651066 is 6601566165.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229941 + ... + 253191.

It is an arithmetic number, because the mean of its divisors is an integer number (200199720).

Almost surely, 2^5616651066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5616651066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6406391040).

5616651066 is an abundant number, since it is smaller than the sum of its proper divisors (7196131014).

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

5616651066 is a wasteful number, since it uses less digits than its factorization.

5616651066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23451.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 5616651066 is about 74944.3197714143. The cubic root of 5616651066 is about 1777.5663271532.

The spelling of 5616651066 in words is "five billion, six hundred sixteen million, six hundred fifty-one thousand, sixty-six".