2256261169 has 16 divisors (see below), whose sum is σ = 2302672320. Its totient is φ = 2210503680.

The previous prime is 2256261157. The next prime is 2256261181. The reversal of 2256261169 is 9611626522.

It is an interprime number because it is at equal distance from previous prime (2256261157) and next prime (2256261181).

It is a cyclic number.

It is not a de Polignac number, because 2256261169 - 2¹¹ = 2256259121 is a prime.

It is a super-2 number, since 2×2256261169² = 10181428925474493122, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (77760) is a multiple of the sum of its prime divisors (960).

It is not an unprimeable number, because it can be changed into a prime (2256261109) 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, 6694969 + ... + 6695305.

It is an arithmetic number, because the mean of its divisors is an integer number (143917020).

Almost surely, 2^2256261169 is an apocalyptic number.

It is an amenable number.

2256261169 is a deficient number, since it is larger than the sum of its proper divisors (46411151).

2256261169 is a wasteful number, since it uses less digits than its factorization.

2256261169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960.

The product of its digits is 77760, while the sum is 40.

The square root of 2256261169 is about 47500.1175682756. The cubic root of 2256261169 is about 1311.5850458215.

The spelling of 2256261169 in words is "two billion, two hundred fifty-six million, two hundred sixty-one thousand, one hundred sixty-nine".