2291880966 has 32 divisors (see below), whose sum is σ = 4829362560. Its totient is φ = 723099456.

The previous prime is 2291880937. The next prime is 2291881001. The reversal of 2291880966 is 6690881922.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126850 + ... + 143786.

It is an arithmetic number, because the mean of its divisors is an integer number (150917580).

Almost surely, 2^2291880966 is an apocalyptic number.

2291880966 is an abundant number, since it is smaller than the sum of its proper divisors (2537481594).

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

2291880966 is a wasteful number, since it uses less digits than its factorization.

2291880966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18148.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 2291880966 is about 47873.5936190297. The cubic root of 2291880966 is about 1318.4510768731.

The spelling of 2291880966 in words is "two billion, two hundred ninety-one million, eight hundred eighty thousand, nine hundred sixty-six".