2165274468 has 72 divisors (see below), whose sum is σ = 6261964800. Its totient is φ = 617984640.

The previous prime is 2165274467. The next prime is 2165274469. The reversal of 2165274468 is 8644725612.

2165274468 is a `hidden beast` number, since 2 + 165 + 27 + 4 + 468 = 666.

It is an interprime number because it is at equal distance from previous prime (2165274467) and next prime (2165274469).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2165274467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260253 + ... + 268443.

Almost surely, 2^2165274468 is an apocalyptic number.

2165274468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2165274468 is an abundant number, since it is smaller than the sum of its proper divisors (4096690332).

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

2165274468 is a wasteful number, since it uses less digits than its factorization.

2165274468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9257 (or 9252 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 2165274468 is about 46532.5097969151. The cubic root of 2165274468 is about 1293.7121343815.

The spelling of 2165274468 in words is "two billion, one hundred sixty-five million, two hundred seventy-four thousand, four hundred sixty-eight".