5241155666 has 8 divisors (see below), whose sum is σ = 7863510780. Its totient is φ = 2619985408.

The previous prime is 5241155639. The next prime is 5241155677. The reversal of 5241155666 is 6665511425.

It can be written as a sum of positive squares in 2 ways, for example, as 5210674225 + 30481441 = 72185^2 + 5521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 285071 + ... + 302898.

Almost surely, 2^5241155666 is an apocalyptic number.

5241155666 is a deficient number, since it is larger than the sum of its proper divisors (2622355114).

5241155666 is a wasteful number, since it uses less digits than its factorization.

5241155666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592428.

The product of its digits is 216000, while the sum is 41.

The square root of 5241155666 is about 72395.8263023498. The cubic root of 5241155666 is about 1737.0368011584.

The spelling of 5241155666 in words is "five billion, two hundred forty-one million, one hundred fifty-five thousand, six hundred sixty-six".