2766534646 has 8 divisors (see below), whose sum is σ = 4152126960. Its totient is φ = 1382492328.

The previous prime is 2766534637. The next prime is 2766534649. The reversal of 2766534646 is 6464356672.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2766534646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766534649) 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, 383026 + ... + 390181.

It is an arithmetic number, because the mean of its divisors is an integer number (519015870).

Almost surely, 2^2766534646 is an apocalyptic number.

2766534646 is a deficient number, since it is larger than the sum of its proper divisors (1385592314).

2766534646 is a wasteful number, since it uses less digits than its factorization.

2766534646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774998.

The product of its digits is 4354560, while the sum is 49.

The square root of 2766534646 is about 52597.8578080895. The cubic root of 2766534646 is about 1403.8219793470.

The spelling of 2766534646 in words is "two billion, seven hundred sixty-six million, five hundred thirty-four thousand, six hundred forty-six".