2056017818 has 16 divisors (see below), whose sum is σ = 3126814080. Its totient is φ = 1013777856.

The previous prime is 2056017809. The next prime is 2056017823. The reversal of 2056017818 is 8187106502.

It is a super-2 number, since 2×2056017818² = 8454418535866962248, which contains 22 as substring.

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, 132146 + ... + 146882.

It is an arithmetic number, because the mean of its divisors is an integer number (195425880).

Almost surely, 2^2056017818 is an apocalyptic number.

2056017818 is a deficient number, since it is larger than the sum of its proper divisors (1070796262).

2056017818 is a wasteful number, since it uses less digits than its factorization.

2056017818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15701.

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 2056017818 is about 45343.3326741650. The cubic root of 2056017818 is about 1271.5759092297.

The spelling of 2056017818 in words is "two billion, fifty-six million, seventeen thousand, eight hundred eighteen".