2046181866 has 16 divisors (see below), whose sum is σ = 4106930688. Its totient is φ = 679632800.

The previous prime is 2046181853. The next prime is 2046181871. The reversal of 2046181866 is 6681816402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605130 + ... + 608501.

It is an arithmetic number, because the mean of its divisors is an integer number (256683168).

Almost surely, 2^2046181866 is an apocalyptic number.

2046181866 is an abundant number, since it is smaller than the sum of its proper divisors (2060748822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2046181866 is a wasteful number, since it uses less digits than its factorization.

2046181866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213917.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 2046181866 is about 45234.7418031760. The cubic root of 2046181866 is about 1269.5449350246.

The spelling of 2046181866 in words is "two billion, forty-six million, one hundred eighty-one thousand, eight hundred sixty-six".