2056666502 has 16 divisors (see below), whose sum is σ = 3366174672. Its totient is φ = 934648320.

The previous prime is 2056666489. The next prime is 2056666517.

2056666502 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157238 + ... + 169814.

It is an arithmetic number, because the mean of its divisors is an integer number (210385917).

Almost surely, 2^2056666502 is an apocalyptic number.

2056666502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2056666502 is a deficient number, since it is larger than the sum of its proper divisors (1309508170).

2056666502 is a wasteful number, since it uses less digits than its factorization.

2056666502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20023.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 2056666502 is about 45350.4851352221. The cubic root of 2056666502 is about 1271.7096247074.

The spelling of 2056666502 in words is "two billion, fifty-six million, six hundred sixty-six thousand, five hundred two".