2165337432468 has 96 divisors (see below), whose sum is σ = 6565019704320. Its totient is φ = 604280204640.

The previous prime is 2165337432463. The next prime is 2165337432473. The reversal of 2165337432468 is 8642347335612.

2165337432468 is a `hidden beast` number, since 2 + 1 + 6 + 533 + 7 + 43 + 2 + 4 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (2165337432463) and next prime (2165337432473).

It is a super-2 number, since 2×2165337432468² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165337432463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33272178 + ... + 33337193.

It is an arithmetic number, because the mean of its divisors is an integer number (68385621920).

Almost surely, 2^{2165337432468} is an apocalyptic number.

2165337432468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2165337432468 is an abundant number, since it is smaller than the sum of its proper divisors (4399682271852).

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

2165337432468 is a wasteful number, since it uses less digits than its factorization.

2165337432468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66609434 (or 66609426 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 54.

The spelling of 2165337432468 in words is "two trillion, one hundred sixty-five billion, three hundred thirty-seven million, four hundred thirty-two thousand, four hundred sixty-eight".