5570066991 has 4 divisors (see below), whose sum is σ = 7426755992. Its totient is φ = 3713377992.

The previous prime is 5570066989. The next prime is 5570067001. The reversal of 5570066991 is 1996600755.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5570066991 - 2¹ = 5570066989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5570066991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5570066911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928344496 + ... + 928344501.

It is an arithmetic number, because the mean of its divisors is an integer number (1856688998).

Almost surely, 2^5570066991 is an apocalyptic number.

5570066991 is a deficient number, since it is larger than the sum of its proper divisors (1856689001).

5570066991 is a wasteful number, since it uses less digits than its factorization.

5570066991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856689000.

The product of its (nonzero) digits is 510300, while the sum is 48.

The square root of 5570066991 is about 74632.8814330520. The cubic root of 5570066991 is about 1772.6383447129.

The spelling of 5570066991 in words is "five billion, five hundred seventy million, sixty-six thousand, nine hundred ninety-one".