2071311866 has 24 divisors (see below), whose sum is σ = 3531353364. Its totient is φ = 905670720.

The previous prime is 2071311857. The next prime is 2071311881. The reversal of 2071311866 is 6681131702.

It can be written as a sum of positive squares in 2 ways, for example, as 2070705025 + 606841 = 45505^2 + 779^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100955 + ... + 119726.

Almost surely, 2^2071311866 is an apocalyptic number.

2071311866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2071311866 is a deficient number, since it is larger than the sum of its proper divisors (1460041498).

2071311866 is a wasteful number, since it uses less digits than its factorization.

2071311866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220734 (or 220715 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2071311866 is about 45511.6673612383. The cubic root of 2071311866 is about 1274.7210700355.

The spelling of 2071311866 in words is "two billion, seventy-one million, three hundred eleven thousand, eight hundred sixty-six".