2291418616 has 16 divisors (see below), whose sum is σ = 4296925440. Its totient is φ = 1145571840.

The previous prime is 2291418553. The next prime is 2291418617. The reversal of 2291418616 is 6168141922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291418617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103576 + ... + 123736.

It is an arithmetic number, because the mean of its divisors is an integer number (268557840).

Almost surely, 2^2291418616 is an apocalyptic number.

It is an amenable number.

2291418616 is a deficient number, since it is larger than the sum of its proper divisors (2005506824).

2291418616 is a wasteful number, since it uses less digits than its factorization.

2291418616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34374 (or 34370 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 2291418616 is about 47868.7645129891. The cubic root of 2291418616 is about 1318.3624121678.

The spelling of 2291418616 in words is "two billion, two hundred ninety-one million, four hundred eighteen thousand, six hundred sixteen".