2251189416 has 64 divisors (see below), whose sum is σ = 6553353600. Its totient is φ = 631058688.

The previous prime is 2251189411. The next prime is 2251189417. The reversal of 2251189416 is 6149811522.

It is not an unprimeable number, because it can be changed into a prime (2251189411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117511 + ... + 135318.

It is an arithmetic number, because the mean of its divisors is an integer number (102396150).

Almost surely, 2^2251189416 is an apocalyptic number.

It is an amenable number.

2251189416 is an abundant number, since it is smaller than the sum of its proper divisors (4302164184).

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

2251189416 is a wasteful number, since it uses less digits than its factorization.

2251189416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252898 (or 252894 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 2251189416 is about 47446.7007915197. The cubic root of 2251189416 is about 1310.6015565589.

The spelling of 2251189416 in words is "two billion, two hundred fifty-one million, one hundred eighty-nine thousand, four hundred sixteen".