5072665566 has 16 divisors (see below), whose sum is σ = 10148889600. Its totient is φ = 1690295448.

The previous prime is 5072665541. The next prime is 5072665607. The reversal of 5072665566 is 6655662705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129556 + ... + 164103.

It is an arithmetic number, because the mean of its divisors is an integer number (634305600).

Almost surely, 2^5072665566 is an apocalyptic number.

5072665566 is an abundant number, since it is smaller than the sum of its proper divisors (5076224034).

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

5072665566 is a wasteful number, since it uses less digits than its factorization.

5072665566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296543.

The product of its (nonzero) digits is 2268000, while the sum is 48.

The square root of 5072665566 is about 71222.6478446287. The cubic root of 5072665566 is about 1718.2198959782.

The spelling of 5072665566 in words is "five billion, seventy-two million, six hundred sixty-five thousand, five hundred sixty-six".