2820191466 has 16 divisors (see below), whose sum is σ = 5641494624. Its totient is φ = 939878544.

The previous prime is 2820191461. The next prime is 2820191501. The reversal of 2820191466 is 6641910282.

It is not an unprimeable number, because it can be changed into a prime (2820191461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11305 + ... + 75948.

It is an arithmetic number, because the mean of its divisors is an integer number (352593414).

Almost surely, 2^2820191466 is an apocalyptic number.

2820191466 is an abundant number, since it is smaller than the sum of its proper divisors (2821303158).

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

2820191466 is a wasteful number, since it uses less digits than its factorization.

2820191466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92645.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2820191466 is about 53105.4749154925. The cubic root of 2820191466 is about 1412.8396181929.

The spelling of 2820191466 in words is "two billion, eight hundred twenty million, one hundred ninety-one thousand, four hundred sixty-six".