6537792266 has 4 divisors (see below), whose sum is σ = 9806688402. Its totient is φ = 3268896132.

The previous prime is 6537792259. The next prime is 6537792299. The reversal of 6537792266 is 6622977356.

It is a happy number.

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., 4819275241 + 1718517025 = 69421^2 + 41455^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1634448065 + ... + 1634448068.

Almost surely, 2^6537792266 is an apocalyptic number.

6537792266 is a deficient number, since it is larger than the sum of its proper divisors (3268896136).

6537792266 is a wasteful number, since it uses less digits than its factorization.

6537792266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268896135.

The product of its digits is 5715360, while the sum is 53.

The square root of 6537792266 is about 80856.6154745547. The cubic root of 6537792266 is about 1869.8655156033.

The spelling of 6537792266 in words is "six billion, five hundred thirty-seven million, seven hundred ninety-two thousand, two hundred sixty-six".