2152806706 has 16 divisors (see below), whose sum is σ = 3411642240. Its totient is φ = 1017172240.

The previous prime is 2152806703. The next prime is 2152806743. The reversal of 2152806706 is 6076082512.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2152806701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392140 + ... + 397591.

It is an arithmetic number, because the mean of its divisors is an integer number (213227640).

Almost surely, 2^2152806706 is an apocalyptic number.

2152806706 is a deficient number, since it is larger than the sum of its proper divisors (1258835534).

2152806706 is a wasteful number, since it uses less digits than its factorization.

2152806706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789809.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2152806706 is about 46398.3480955950. The cubic root of 2152806706 is about 1291.2242661103.

It can be divided in two parts, 2152806 and 706, that added together give a palindrome (2153512).

The spelling of 2152806706 in words is "two billion, one hundred fifty-two million, eight hundred six thousand, seven hundred six".