2165354200030 has 32 divisors (see below), whose sum is σ = 4486489297920. Its totient is φ = 737066092320.

The previous prime is 2165354199991. The next prime is 2165354200069. The reversal of 2165354200030 is 300024535612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2165354199991) and next prime (2165354200069).

It is a super-2 number, since 2×2165354200030² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2165354199965 and 2165354200001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111262326 + ... + 111281785.

It is an arithmetic number, because the mean of its divisors is an integer number (140202790560).

Almost surely, 2^{2165354200030} is an apocalyptic number.

2165354200030 is an abundant number, since it is smaller than the sum of its proper divisors (2321135097890).

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

2165354200030 is a wasteful number, since it uses less digits than its factorization.

2165354200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222544264.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 2165354200030 its reverse (300024535612), we get a palindrome (2465378735642).

The spelling of 2165354200030 in words is "two trillion, one hundred sixty-five billion, three hundred fifty-four million, two hundred thousand, thirty".