2250687161 has 4 divisors (see below), whose sum is σ = 2369144400. Its totient is φ = 2132229924.

The previous prime is 2250687151. The next prime is 2250687221. The reversal of 2250687161 is 1617860522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2250687161 is a prime.

It is a super-3 number, since 3×2250687161³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2250687121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59228591 + ... + 59228628.

It is an arithmetic number, because the mean of its divisors is an integer number (592286100).

Almost surely, 2^2250687161 is an apocalyptic number.

It is an amenable number.

2250687161 is a deficient number, since it is larger than the sum of its proper divisors (118457239).

2250687161 is a wasteful number, since it uses less digits than its factorization.

2250687161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118457238.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 2250687161 is about 47441.4076625051. The cubic root of 2250687161 is about 1310.5040813990.

The spelling of 2250687161 in words is "two billion, two hundred fifty million, six hundred eighty-seven thousand, one hundred sixty-one".