5671993066 has 4 divisors (see below), whose sum is σ = 8507989602. Its totient is φ = 2835996532.

The previous prime is 5671993037. The next prime is 5671993079. The reversal of 5671993066 is 6603991765.

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

It can be written as a sum of positive squares in only one way, i.e., 4701982041 + 970011025 = 68571^2 + 31145^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1417998265 + ... + 1417998268.

Almost surely, 2^5671993066 is an apocalyptic number.

5671993066 is a deficient number, since it is larger than the sum of its proper divisors (2835996536).

5671993066 is a wasteful number, since it uses less digits than its factorization.

5671993066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835996535.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 5671993066 is about 75312.6355002930. The cubic root of 5671993066 is about 1783.3854966041.

The spelling of 5671993066 in words is "five billion, six hundred seventy-one million, nine hundred ninety-three thousand, sixty-six".