2190944616 has 32 divisors (see below), whose sum is σ = 6259842240. Its totient is φ = 625984128.

The previous prime is 2190944611. The next prime is 2190944627. The reversal of 2190944616 is 6164490912.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2190944611) 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 7 ways as a sum of consecutive naturals, for example, 6520501 + ... + 6520836.

It is an arithmetic number, because the mean of its divisors is an integer number (195620070).

Almost surely, 2^2190944616 is an apocalyptic number.

It is an amenable number.

2190944616 is an abundant number, since it is smaller than the sum of its proper divisors (4068897624).

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

2190944616 is a wasteful number, since it uses less digits than its factorization.

2190944616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13041353 (or 13041349 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2190944616 is about 46807.5273433665. The cubic root of 2190944616 is about 1298.8045452014.

The spelling of 2190944616 in words is "two billion, one hundred ninety million, nine hundred forty-four thousand, six hundred sixteen".