2249662161 has 8 divisors (see below), whose sum is σ = 3000291840. Its totient is φ = 1499403632.

The previous prime is 2249662141. The next prime is 2249662201. The reversal of 2249662161 is 1612669422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2249662161 - 2¹¹ = 2249660113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2249662141) 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, 78321 + ... + 103118.

It is an arithmetic number, because the mean of its divisors is an integer number (375036480).

Almost surely, 2^2249662161 is an apocalyptic number.

It is an amenable number.

2249662161 is a deficient number, since it is larger than the sum of its proper divisors (750629679).

2249662161 is a wasteful number, since it uses less digits than its factorization.

2249662161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185575.

The product of its digits is 62208, while the sum is 39.

The square root of 2249662161 is about 47430.6036330975. The cubic root of 2249662161 is about 1310.3051094771.

The spelling of 2249662161 in words is "two billion, two hundred forty-nine million, six hundred sixty-two thousand, one hundred sixty-one".