5672554205666 has 16 divisors (see below), whose sum is σ = 8716430306808. Its totient is φ = 2767078492800.

The previous prime is 5672554205641. The next prime is 5672554205713. The reversal of 5672554205666 is 6665024552765.

It can be written as a sum of positive squares in 4 ways, for example, as 1243124652025 + 4429429553641 = 1114955^2 + 2104621^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19640036 + ... + 19926768.

Almost surely, 2^{5672554205666} is an apocalyptic number.

5672554205666 is a deficient number, since it is larger than the sum of its proper divisors (3043876101142).

5672554205666 is a wasteful number, since it uses less digits than its factorization.

5672554205666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528037.

The product of its (nonzero) digits is 90720000, while the sum is 59.

The spelling of 5672554205666 in words is "five trillion, six hundred seventy-two billion, five hundred fifty-four million, two hundred five thousand, six hundred sixty-six".