2756644066 has 8 divisors (see below), whose sum is σ = 4510872144. Its totient is φ = 1253020020.

The previous prime is 2756644019. The next prime is 2756644069. The reversal of 2756644066 is 6604466572.

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

It is a super-2 number, since 2×2756644066² = 15198173013226024712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2756644069) 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, 62650980 + ... + 62651023.

It is an arithmetic number, because the mean of its divisors is an integer number (563859018).

Almost surely, 2^2756644066 is an apocalyptic number.

2756644066 is a deficient number, since it is larger than the sum of its proper divisors (1754228078).

2756644066 is a wasteful number, since it uses less digits than its factorization.

2756644066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125302016.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The square root of 2756644066 is about 52503.7528753898. The cubic root of 2756644066 is about 1402.1470569248.

The spelling of 2756644066 in words is "two billion, seven hundred fifty-six million, six hundred forty-four thousand, sixty-six".